Picture |
Object
name
#NORAD |
Remarks |
Launch
Date |
Weight |
|
TIROS-5
#00309
(1962-aa-1) |
 TIROS-5
was a meteorological satellite. It included television
cameras and returned 58226 cloud cover photos until
May 4th 1963. It transmitted tracking beacons on 136.230
and 136.920 Mhz. It also featured a 5W television transmitter
on 235 MHz. Signal on 136.230 MHz recorded on Dec 14th
1973 in CW by Greg Roberts.
|
Jun 19th 1962 |
130 kg |
Signal
on 136.920 MHz recorded on Dec 14th 1973 in CW by Greg
Roberts. |
Signal
on 136.920 MHz recorded on Dec 14th 1973 in AM by Greg
Roberts. |
Signal
on 136.920 MHz recorded on Dec 14th 1973 in FM by Greg
Roberts. |
Signal
on 136.230 MHz recorded on June 7th 1975 in CW by Greg
Roberts. |
|
Relay 1
Relay A
#00503
(1962-068A) |
Relay
1 was primarily a communications satellite. The spin-stabilized
spacecraft included in addition radiation experiments
designed to map the earth's radiation belts. Signals
recorded on 136.140 MHz in the time between March 1964
and February 1965 by Greg Roberts in Durban. |
Dec 13th
1962 |
170 kg |
|
TIROS-7
TIROS-G
#00604
(1963-024A) |
TIROS
7 (Television and InfraRed Observation Satellite) was
a spin-stabilized meteorological spacecraft designed
to test experimental television techniques and infrared
equipment. Signal received either on 136.234 MHz or
136.922 MHz in the time between March 1964 and February
1965 by Greg Roberts un Durban. |
Jun 19th
1963 |
135 kg |
|
Radose
Transit 5E1
SN39
#0671
(1963-038C) |
This
satellite also called Radiation Sat measured energetic
charged particles, magnetic fields, the solar spectrum,
and acquired geodetic data. It transmitted in 136, 162
and 324 MHz bands. The last data were transmitted during
November 1974. Recorded on July 2nd 1972 on 136.651
MHz by Greg Roberts. |
Sept 28th 1963 |
59kg ? |
Radose
recorded on Oct 24th 1973 on 136.651 MHz in CW/AM by
Greg Roberts. |
|
Relay 2
#00737
(1964-003A) |
Relay
2 was primary a communications satellite but carried
also a particle experiment. Recorded in frequency band
136-138 MHz using an SSB receiver by Greg Roberts sometime
in the year 1974 or 1975. |
Jan 21st 1964 |
184 kg |
Relay
2 transmitted on two frequencies 136.140 MHz and 136.620
Mhz. Multiple recordings were made on Dec 14th 1973
by Greg Roberts. First recording was 136.620 MHz in
CW. |
Second
recording was on 136.620 MHz in AM on Dec 14th 1973
by Greg Roberts. |
Third
recording was on 136.140 MHz in CW on Dec 14th 1973
by Greg Roberts. |
Fourth
recording was again recorded in CW on Dec 14th 1973
by Greg Roberts. |
Fifth
recording was recorded in FM on Dec 14th 1973 by Greg
Roberts. |
Sixth
recording was finally recorded in CW and AM on Oct 24th
1973 by Greg Roberts. |
|
Echo 2
Echo C
#00740
(1964-004A) |
Echo
2 was a 41-m balloon of aluminum foil-mylar laminate.
Echo 2 beacon recorded either on 136.020 MHz or 136.170
MHz in various modes in the time between March 1964
and February 1965 by Greg Roberts in Durban. |
Jan 25th
1964 |
256 kg |
|
Ariel
2
S 52
S 52A
UK 2
UK-C
#00771
(1964-015A) |
Ariel
2 carried 3 British experiments to measure galactic
radio noise. Echo 2 beacon recorded on 136.557 MHz in
the time between March 1964 and February 1965 by Greg
Roberts in Durban. |
Mar 27th 1964 |
68 kg |
|
Transit
5B-5
Transit O-2
NNSS 30020
#00965
(1964-083D) |
Radiation
satellite. Studied magnetic field, celestial field,
ultraviolet data. This satellite was still transmitting
in mid 2007 and thus is probably the oldest satellite
still transmitting. The sequence of tones has speeded
up quite considerably over time. He transmits on 136.651
MHz in a SSB/FM multiplex mode. Signals enclosed were
recorded first in AM and then in FM mode. Recorded on
Dec 14th 1973 on 136.650 MHz by Greg Roberts. |
Dec. 13th 1964 |
60 kg |
The next
4 recording were made on June 19th 1999 on 136.650 MHz
by Greg Roberts. He used a turnstile antenna at about
10 meters above ground followed by a low noise preamp
with 20dB gain and about 1 dB noise figure. The first
recording used the CW/SSB mode of the receiver with
a bandwidth of 2.4 kHz. |
The second
file was also recorded using the CW/SSB mode with 2.4
kHz bandwidth. Since the satellite signal is quite broad
(>30 kHz) one can easily hear several carriers when
using this mode of reception. |
Here
Greg Roberts used a narrower (0.8 kHz) bandwidth filter
to record the signal in CW/SSB mode. This bandwidth
is recommended for very faint satellites since it cuts
down the background noise. |
This
signal was recorded using the FM detector of the receiver
with a bandwidth of approx. 25 to 30 kHz. Although the
FM modulation of Transit 5B-5 is very low, one can easily
hear the tones. Compare this to the CW/SSB recordings
and it should be very obvious why any serious radio
satellite tracker should have the capability of receiving
CW or SSB modes. FM is not suitable for weak signals.
Recorded by Greg Roberts. |
Transit
5B-5 recorded on Oct 24th 1973 on 136.50 MHz in AM/CW
mixed by Greg Roberts. |
|
Pegasus
1
#01085
(1965-009A) |
Pegaus
1 transmitted on 136.440 MHz data and on 136.89 MHz
a beacon signal. Beacon signal recorded in February
1965 by Greg Roberts in Durban. |
Feb 16th 1965 |
1452 kg |
Pegasus
1 transmitted only as long as it was in sunlight. Recorded
on 136.890 MHz using an SSB receiver end of October
1974 by Greg Roberts. |
This
recording was done on October 29th 1974 by Greg Roberts. |
|
GGSE-3
#01292
(1965-016C) |
GGSE-3
(Gravity Gradient Stabilization Experiment 3) was a
small military satellite. Its design and deployment
techniques were later applied to the NOSS / Whitecloud
reconnaisance satellites. Recorded on 136.776 MHz in
March 1965 by Greg Roberts. |
Mar 9th 1965 |
4 kg |
|
SECOR 3
EGRS-3
#01208
(1965-016E) |
SECOR
is an acronym for Sequential Correlation of Range and
is basically
an electronic distance measuring system
in which four ground stations sequentially
interrogate a satellite-borne transponder. It was used
by the US Army Map service from 1964 onwards. Early
satellites transmitted
on two carrier frequencies, namely 224.5 MHz and 449
MHz. Recorded first in AM and then in
FM on 136.840 MHz on Dec 14th 1973 by Greg Roberts. |
Mar 9th
1965 |
18 kg |
|
SOLRAD
7B
GREB 6
#01291
(1965-016D) |
The US
satellite Solrad 7B was also called GREB (Galactic Radiation
Experimental Background ) and was officially instrumented
to detect the solar X-ray emission. However its receivers
were used to catalogue the waveforms and pulse repetition
frequencies of Soviet air defense radars. Recorded on
136.800 MHz in AM/FM by Mike D. Kenny. |
Mar 9th 1965 |
47 kg |
|
Beacon
C
(Explorer 27)
#01328
(1965-032A) |
Explorer
27 was also called Beacon C and investigated the ionosphere.
It transmitted on 136.740 MH. Recorded 7 June 1975 in
CW by Greg Roberts. |
Apr
29th
1965 |
60
kg |
Recorded
7 June 1975 in FM by Greg Roberts. |
Recorded
7 June 1975 in FM by Greg Roberts. |
Recorded
May 17th 1972 on 136.740 MHz. by Greg Roberts. |
Explorer
27 recorded on Oct 24th 1973 on 136.740 MHz in AM mode
by Greg Roberts. |
|
Pegasus
2
#01381
(1965-039A) |
Pegasus
2 was a huge scientific satellite for the observation
of meteorites. It transmitted on 136.410 MHz (data)
and 136.890 MHz (telemetry and tracking beacon). Recorded
on October 15th 1973 in AM most likely on 136.890 MHz
by Greg Roberts. |
May 25th 1965 |
10500 kg |
Pegasus
2 CW transmission increased suddenly whenever the satellite
entered the shadow of the Earth. This can be heard nicely
on this recording in CW mode on Oct 24th 1973 by Greg
Roberts. |
|
TIROS-10
#01430
(1965-051A) |
TIROS-10
was a meteorological satellite. Advanced vidicon camera
system (AVCS). Transmitted tracking signal with 50 mW
on 136.230 (increased over lifetime to 136.235 MHz)
and 136.920 MHz. AVCS transmission wuth 2 W on 235 MHz.
Recording made on Dec 14th 1973 on unknown frequency
by Greg Roberts. |
July 2nd 1965 |
138 kg |
Recording
made on Dec 14th 1973 on 136.230 MHz by Greg Roberts. |
Recording
made on Dec 14th 1973 on 136.920 MHz by Greg Roberts. |
TIROS-10
transmitted a continuous tone on both frequencies, 136.230
and 136.920 MHz, recorded on Oct 24th 1973 in CW and
AM by Greg Roberts. |
|
Pegasus 3
Saturn
SA-10
#01467
(1965-060A) |
In its
stored position with panels folded inside the Apollo
service module Pegasus 3 was 5.3 m high, 2.1 m wide,
and only 28 cm deep. The spacecraft was equipped with
appendages like wings which extended to form a huge
plane 29.3 m long and 4.3 m wide. Pegasus 3 transmitted
on 136.410 MHz (data) and 136.890 MHz (telemetry and
tracking beacon) and sounded like the previous 2 Pegasus
satellites. This signal is probably the beacon on 136.89
MHz and was recorded in the time between March 1964
and February 1965 by Greg Roberts in Durban. |
Jul 30th
1965 |
1452 kg |
|
GEOS 1
GEOS A
Explorer 29
#01726
(1965-089A) |
GEOS
1 (Geodetic Earth Orbiting Satellite) was a gravity-gradient-stabilized,
solar-cell powered satellite targeted for geodetic studies..
Recorded on 136.83 MHz in the time between November
1965 and Spring 1966 by Greg Roberts in Durban. |
Nov 6th
1965 |
387 kg |
|
ESSA 2
OT 2
#02091
(1965-016A) |
ESSA
2 was a meteorological satellite providing real-time
earth cloudcover TV pictures for use in weather analysis
and forecasting. It transmitted telemetry on 136.500
MHz and a tracking beacon signal on 136.770 MHz. Recorded
on 136.770 MHz in spring 1966 by Greg Roberts in Durban. |
Feb 28th
1966 |
286 kg |
|
SECOR 7
EGRS-7
#02411
(1966-077B) |
EGRS-7
was a similar type satellite to the SECOR sats using
the same telemetry format. Frequency was 136.800 MHz.
Recorded on Dec 14th 1973 by Greg Roberts. |
Aug 19th 1966 |
17 kg |
EGRS-7
was recorded on Oct 24th 1973 in AM mode by Greg Roberts. |
|
ERS 15
#02412
(1966-077C) |
ERS (Environmental
Research Satellite) was an Air force technology satellite
also known as Octahedron Research Satellite (ORS-1).
Was launched together with and ejected by MIDAS-11 (1966-077A).
Recorded on 137.800 MHz using an SSB receiver by Greg
Roberts. |
Aug 19th
1966 |
4.5 kg |
|
SECOR 8
EGRS-8
#02520
(1966-089B) |
The SECOR
(Sequential Correlation of Range) series of satellites
were used for US Military mapping purposes. Recorded
first in SSB and then in AM on 136.830 MHz on Dec 14th
1973 by Greg Roberts. |
Oct 5th 1966 |
17 kg |
Recorded
on May 17th 1972 on 136.830 MHz by Greg Roberts. |
|
Intelsat
2F-1
Atlantic 1
Canary Bird
Intelsat 2A
Lanny Bird 2F1
#02514
(1966-096A) |
Commercial
Communication Satellite of COMSAT Corporation. Did not
reach final orbit due to a failure in the apogee motor.
However was still used to transmit live television and
other communications traffic. Used 2 redundant repeaters
with 125 MHz bandwidth supporting 240 two-way telephone
circuits or one TV channel. Telemetry system used two
encoders, two VHF transmitters, eight whip antennas
as well as a 4 GHz beacon. The beacon signals were transmitted
continuously and modulated with telemetry signals. Recorded
in frequency band 136-138 MHz using an SSB receiver
by Greg Roberts. |
Oct
26th
1966 |
355
kg |
Recorded
on Aug 2nd 1972 in CW by Greg Roberts. |
Intelsat
2F-1 stranded in an elliptical 3360 x 37038 km orbit.
Recorded twice on Oct 24th 1973 on 136.440 MHz in CW
by Greg Roberts. |
Recorded
in excellent quality on Sept 2nd 1975 on 136.440 MHz
by Greg Roberts. |
|
OV1-9
FARO 1
Manifold
#02610
(1966-111A) |
OV1-9
performed radiation bio-hazard experiments. Recorded
on Aug 2nd 1972 on 136.620 MHz by Greg Roberts. |
Dec 11th
1966 |
104 kg |
|
ERS 20
(OV5-3)
#02768
(1967-040D) |
This
military radiation research satellite conducted material
studies to determine the effect of the space environment
on metals. Even after it was officially
lost the very
distinctive signal of this satellite could be occasionally
heard for up to several hours at a time. Recorded
on 136.260 MHz using an SSB receiver by Greg Roberts. |
April 28th 1967 |
8.6 kg |
More
than 30 years after ERS 20 was officially lost these
recording in SSB mode were made by Greg Roberts on July
14th 1999 at 16:30h UTC in Cape Town. |
|
GGSE-4
#02828
(1967-053C) |
GGSE-4
(Gravity Gradient Stabilization Experiment) conducted
by US Navy. Frequency was 137.740 MHz. Recorded on Dec
14th 1973 in SSB by Greg Roberts. |
May 31st 1967 |
4 kg |
GGSE-4
recorded on 137.740 MHz in CW on Oct 24th 1973 by Greg
Roberts. |
GGSE-4
recorded twice on 137.740 MHz between June 20th and
June 25th 1972 by Greg Roberts. |
|
GGSE-5
#02834
(1967-053D) |
GGSE-5
(Gravity Gradient Stabilization Experiment) conducted
by US Navy. Recorded on 137.890 MHz between June 20th
and June 25th 1972 by Greg Roberts. |
May 31st
1967 |
4 kg |
|
SECOR 9
EGRS-9
#02861
(1967-065A) |
SECOR
9 (Sequential Correlation of Range) was a joint US Army/Navy
satellite. It was a small geodetic spacecraft used to
precisely determine points on the earth. Recorded on
May 17th 1975 on 136.840 MHz in CW by Greg Roberts. |
Jun 29th 1967 |
20 kg |
EGRS-9
was recorded on May 17th 1975 on 136.840 MHz in CW and
AM by Greg Roberts. |
|
ATS-3
#03029
(1967-111A) |
ATS-3
was the third Applications Technology Satellite in geostationary
orbit (approx 47°W) and i n
the early 1970's it was conducting tests like relaying
weather pictures, time signals and aircraft communications.
Click on the picture of the globe to get a full disc
picture recorded and transmitted by ATS-3 on Jan 21st
1968. Frequencies used were 135.600 MHz for the APT
system (40 W ), 136.470 MHz and 137.350 MHz (each 16
W), an ionospheric beacon ar 412.08 MHz and 4 S-Band
downlinks (up to 24 W). This is a recorded communication
on this satellite between "Mojave" and an
aircraft heading to "New Amsterdam". The spin
modulation of the satellite signal is quite obvious.
Recorded on 135.600 MHz by Greg Roberts in Johannesburg. |
Nov 5th 1967 |
365 kg |
Recorded
around 1972 by Greg Roberts. |
|
SOLRAD
9
(Explorer 37)
#03141
(1968-017A) |
Solrad
9 measured Solar Radiation. Telemetry was transmitted
simultaneously in AM and FM. Frequencies used were 136.41
MHz, 136.53 MHz and 137.59 MHz. Solrad 9 decayed in
Nov 1990. Both recording were done between end of October
and beginning of November 1974 by Greg Roberts using
an SSB receiver. |
Mar 5th 1968 |
198 kg |
Recorded
May 17th 1972 on 136.530 MHZ be Greg Roberts. |
Recorded
on Aug 2nd 1972 probably on 136.41 MHz by Greg Roberts. |
Explorer
37 recorded on Oct 24th 1973 in AM by Greg Roberts. |
|
RAE 1
(Explorer
38)
#03307
(1968-055A) |
RAE 1
(Radio Astronomy Explorer) measured the intensity of
celestial radio sources, particularly the sun, as a
function of time, direction, and frequency (0.2 to 20
MHz). Recorded on May 17th 1975 on 136.350 MHz by Greg
Roberts. |
Jul 4th
1968 |
602 kg |
|
HEOS 1
#03595
(1968-109A) |
Heos
1 (Highly Eccentric Orbit Satellite) was built by Junkers-Werke
in Munich/Germany and studied the inter-planetary magnetic
field, solar wind and space particles. Recorded on May
17th 1975 on 136.650 MHz by Greg Roberts. |
Dec 5th
1968 |
128 kg |
|
TETR 2
TETR B
#03534
(1968-100B) |
TETR
2 was a small magnetically stabilized satellite instrumented
with an s-band transponder (9.5 W) to provide training
to Apollo ground stations. It included also a PAM/FM/PM
telemetry transmitter on 136.860 MHz (1.2 W). It decayed
in Sept 1979. Recorded on May 17th 1972 on 136.860 MHz
in cw/am/cwby Greg Roberts. |
Nov 8th
1968 |
40 kg |
|
OAO 2
OAO A2
OAO B
#03597
(1968-110A) |
OAO-2
(Orbiting Astronomical Observatory) transmitted on 136.260
MHz (data) and 136.440 MHz (beacon). Recorded on May
17th 1972 on 136.260 MHz in AM by Greg Roberts. |
Dec 7th 1968 |
2150 kg |
Beacon
recorded on 136.440 MHz between June 20th and June 25th
1972 by Greg Roberts. |
|
ESSA 8
(TOS F)
#03615
(1968-114A) |
Environmental
Survey SAtellite (ESSA) was a meteorological satellite
with APT equipment. The APT transmission was on 137.620
MHz (5 W), the tracking beacon was on 137.770 MHz (250
mW). APT transmission recorded Dec 14th 1973 at 07:25
UTC on 137.625 MHz by Greg Roberts. |
Dec 15th 1968 |
132 kg |
Tracking
beacon recorded on 137.770 MHz on Dec 14th 1973 by Greg
Roberts. |
The beacon
was also recorded on May 17th 1972 on 136.770 MHz in
CW and AM (not much to hear in AM) by Greg Roberts. |
Recorded
on Aug 2nd 1972 on 137.620 MHz in AM or FM by Greg Roberts. |
|
OSO 5
#03663
(1969-006A) |
Orbiting
Solar Observatory. PCM/PM telemetry was transmitted
in the frequency band 136.290 MHz. Both recording were
done on October 31st 1974 by Greg Roberts using an SSB
receiver. |
Jan 22nd
1969 |
645 kg |
|
ISIS 1
#03669
(1969-009A) |
ISIS
(International Sats for Ionosph Studies) was an ionospheric
observatory instrumented with sweep- and fixed-frequency
ionosondes, a VLF receiver, energetic and soft particle
detectors, an ion mass spectrometer, an electrostatic
probe, an electrostatic analyzer, a beacon transmitter
and a cosmic noise experiment. Recorded on Sept 2nd
1975 on 136.080 MHz by Greg Roberts. |
Jan 30th
1969 |
241 kg |
|
ESSA 9
(TOS-G)
#03764
(1969-016A) |
ESSA
9 was a sun-synchronous meteorological satellite designed
to take and record daytime earth cloudcover pictures
on a global basis for subsequent playback to a ground
acquisition facility. Beacon recorded on May 17th 1972
on 136.770 MHz by Greg Roberts. |
Feb 26th 1969 |
145 kg |
ESSA
9 recorded on Oct 24th 1973 on 136.770 MHz in AM by
Greg Roberts. |
|
NIMBUS
3
NIMBUS B2
#03890
(1969-037A) |
NIMBUS
3 was a meteorological satellite. It transmitted APT
pictures on 136.950 MHz. This APT signal was actually
an IR scan and was recorded on June 29th 1969 on 136.950
MHz by Greg Roberts. |
April
14th 1969 |
635
kg |
This
APT signal was also an IR scan and was recorded on 136.950
MHz between June 20th and June 25th 1972 by Greg Roberts. |
|
SECOR 13
EGRS-13
#03891
(1969-037B) |
Sequential
Correlation of Range provided geodetic determination
measurements. Launched together with Nimbus-3. It contained
a transponder and a telemetry system. Frequencies used
were 136.8 MHz, 224.5 MHz, 449 MHz. Both recording were
done on October 31st 1974 by Greg Roberts on 136.800
MHz using an SSB receiver. |
April 14th 1969 |
20 kg |
Recorded
also previously on Aug 2nd 1972 on 136.800 MHz by Greg
Roberts. |
EGRS
13 recorded on Oct 24th 1973 on 136.800 MHz in AM by
Greg Roberts. |
|
ERS 29 (OV 5-5))
#03950
(1969-046A) |
OV5-5
(ERS 29) gathered data for basic research on solar radiation
and its effect on the magnetosphere. Using a VLF plasma
wave detector, an altitude sensor, a magnetometer and
seven particle detectors, it measured the VLF proton
and electron fluxes as well as the temporal variations
of such fluxes. Recorded on Oct 24th 1973 on 136.650
MHz by Greg Roberts. |
May 23rd
1969 |
11 kg |
|
ERS 26
(OV 5-6)
#03951
(1969-046B) |
Gathered
data for basic research on solar radiation. Included
a solar flare monitor, six particle detectors, solid
state detectors, a magnetic spectrometer, a Faraday
cup and a fluxgate magnetometer. Transmitted on 136.380
MHz in FM (500 mW , 17 W on command) and 400.450 MHz
in CW (750 mW). It was observed several times that every
2 hours the signal on 136.38 MHz disappeared and reappeared
after 15 minutes. It is assumed that during this time
the satellite transmitted on 400.45 MHz. Recorded on
136.380 MHz using an SSB receiver by Greg Roberts. |
May 23rd 1969 |
11 kg |
OV5-6
recorded on June 21st 1975 by Greg Roberts. |
OV5-6
recorded when the satellite was closer to Earth on his
highly elliptical orbit on June 21st 1975 by Greg Roberts. |
OV5-6
recorded on 136.380 Mhz on a pass near perigee (height
ranging from 17000 km to about 10000 km) on Aug 15th
1973 by Greg Roberts. |
|
OSO 6
OSO G
#04065
(1969-068A) |
The primary
objectives of OSO 6 were the acquisition of high spectral-resolution
data within the 1 to 1300 A range, the observation of
solar X-rays in the 20 to 200 keV range and the observation
of high-energy neutron flux in the 20 to 130 MeV range.
Recorded on Aug 2nd 1972 on 136.710 MHz by Greg Roberts. |
Aug 9th 1969 |
647 kg |
OSO 6
recorded on Oct 24th 1973 on 136.710 MHz by Greg Roberts. |
|
TIMATION-II
#04256
(1969-082B) |
TIMATION
2 (TIMe/navigATION) was a US military navigation satellite.
It incorporated sidetone range signals transmitted at
150 and 400 MHz. Higher frequency range tones (Up to
1 MHz) increased the range measurement resolution to
10 m. Recorded on 137.380 MHz in AM/FM by Mike D. Kenny. |
Sep 30th 1969 |
?? kg |
|
ITOS-1
TIROS-M
#04320
(1970-008A) |
ITOS-1 was a box shaped
meteorological satellite (size 1.016m x 1.016m x 1.245m)
with 3 solar panels (250W). It was launched together
with Amsat Oscar 5. It transmitted on 137.500 MHz APT
(5W) and on 136.770 MHz a Beacon (250mW). Data was transmitted
on 1697.5 MHz (2W).
I am searching for sound files.
Please send them to  |
Jan 23rd
1970 |
306 kg |
|
SERT 2
#04327
(1970-009A) |
SERT
2 (Space Electric Rocket Test) mission carried two ion
thrusters. It transmitted on 136.230 and 136.920 MHz.
Recorded on May 17th 1972 on 136.230 MHz in CW/AM by
Greg Roberts. |
Feb 4th
1970 |
1404 kg |
|
Ohsumi
#04330
(1970-011A) |
Ohsumi was the first
Japanese satellite. It carried thermometer, accelerometer.
It transmitted on 136.159 MHz a tracking beacon (50
mW). The batteries failed after transmitting for 30
hours.
I am searching for sound files. Please send
them to |
Feb 11th
1970 |
38 kg |
|
NIMBUS
4
#04362
(1970-025A) |
Meteorological
satellite. APT system transmitted on 136.950 MHz (5
W), tracking beacon transmitted on 136.500 MHz (500
mW), data transmission on 1702.5 MHz (10 W). APT recorded
on 136.950 MHz in FM on Dec 14th 1973 by Greg Roberts. |
April 8th 1970 |
620 kg |
Nimbus
4 transmitted 200 sec long pictures then a short bit
of sync pulses and then the next picture. These recordings
were also made on Dec 14th 1973 in FM by Greg Roberts. |
Beacon
recorded on May 17th 1972 by Greg Roberts. Started using
AM (not much can be heard), then switched to CW. |
|
TOPO-1
(S70-3)
#04363
(1970-025B) |
Geodetic
cube shaped satellite. Launched piggyback with Nimbus
4. Tracking beacon transmitted on 136.840 MHz which
was also used as a transponder. It had similar tones
like the EGRS / SECOR satellites. Recorded in AM on
Dec 14th 1973 by Greg Roberts. |
April 8th 1970 |
18 kg |
TOPO
1 transmitted with a typical EGRS sound. Recorded on
Oct 24th 1973 on 136.840 MHz in AM by Greg Roberts. |
|
China 1
PRC 1
DFH 1
Mao 1
#04382
(1970-034A) |
First
Satellite launched by China on its own booster. It was
also called DFH 1 or Mao 1. It played the song "Dong
Fang Hong" (East is Red) and announced the time.
Recorded on 20.009 MHz in AM on April 27th 1970 between
09:39 and 09:53 UTC by Kurt DF7FU. |
April 24th
1970 |
173 kg |
|
NOAA-1
ITOS-B
#04793
(1970-106A) |
NOAA-1 was a box shaped
meteorological satellite (size 1.016m x 1.016m x 1.245m)
with 3 solar panels. It transmitted on 137.620 MHz APT
(5W) and on 136.770 MHz a tracking beacon (250mW). Data
was transmitted on 1697.5 MHz (4W).
I am searching
for sound files. Please send them to |
Dec 11th
1970 |
306 kg |
|
IMP 8
IMP I
Explorer 43
#05043
(1971-019A) |
IMP 8
was a satellite dedicated to radio astronomy and space
physics. One of the two transmitters operated on 136.170
MHz and was recorded twice between June 20th and June
25th 1972 by Greg Roberts. |
Mar 13th 1971 |
635 kg |
|
Isis 2
#05104
(1971-024A) |
Isis
2 (International Satellite for Ionospheric Studies)
was an ionospheric sounder carrying 8 Canadian and 4
US experiments. It transmitted on 136.080 MHz, 401.750
MHz (4W), 136.590 MHz (3W), 136.410 MHz and 137.950
MHz. Recorded on 136.080 MHz by Greg Roberts. |
April 1st 1971 |
262 kg |
|
D2-A Tournesol
#05128
(1971-030A) |
Spin
stabilized cylindrical French satellite 70cm in diameter
and 80 cm long. Astronomical mission including the search
for hydrogen in space. Both recording were done on October
30th 1974 on 136.630 MHz in SSB by Greg Roberts. |
April 15th 1971 |
96 kg |
Recorded
on 136.630 MHz on Dec 14th 1973 using an AM receiver
by Greg Roberts. |
Recorded
on 136.630 MHz on Dec 14th 1973 using an FM receiver
by Greg Roberts. |
|
SOLRAD
10
(Explorer 44)
#05317
(1971-058A) |
SOLRAD
10 measured solar radiation in the UV, soft and hard
X-ray regions. This spin stabilized satellite was a
12-sided cylinder that measured 76 cm in diameter and
58 cm in height and had 4 solar panels. Transmitted
tracking beacon and telemetry on 137.710 MHz (5W) and
telemetry only on 136.380 MHz (3W). Recorded on October
29th 1974 by Greg Roberts using an SSB receiver. |
July
8th 1971 |
260
kg |
Explorer
44 (Solrad-10) recorded on October 24th 1973 on 137.710
MHz in AM mode by Greg Roberts. |
|
EOLE
CAS 1
#05435
(1971-071A) |
EOLE
was designed to function primarily as a communications
satellite to acquire and relay data on altitude, pressure,
temperature, moisture and upper atmospheric wind velocities
from instrumented earth-circling constant density meteorological
balloons. Recorded on May 17th 1972 on 136.350 MHz in
CW mode by Greg Roberts. |
Aug
16th 1971 |
84.7
kg |
EOLE recorded
on 136.350 MHz in AM on Oct 16th 1973 by Greg Roberts. |
EOLE recorded
on Oct 24th 1973 on 136.350 MHz in AM by Greg Roberts. |
|
Shinsei
(MS-F2)
#05485
(1971-080A) |
Japanese
scientific observation satellite. Its objective was
to measure solar and cosmic radioation. The tracking
beacon transmitted continuously on 136.695 MHz at 90
mW and real time telemetry was transmitted on 400.695
MHz at 45 mW. Incidentally still transmitting mid 2007
but now a continuous tone. Recorded on Dec 14th 1973
on 136.694 MHz in AM with CW filter by Greg Roberts. |
Sept 28th 1971 |
65 kg |
Recorded
on Dec 14th 1973 on 136.694 MHz in FM by Greg Roberts. |
Recorded
on May 17th 1972 on 136.694 MHz by Greg Roberts. First
recording in CW suffered from locally generated hum.
Second recording in AM mode was ok. |
Shinsei
recorded on 136.694 MHz in AM mode on Oct 24th 1973
by Greg Roberts. |
|
OSO 7
OSO H
#05491
(1971-083A) |
OSO
7 (Orbiting Solar Observatory) studied the solar coona.
This experimental platform consisted of a sail section,
which pointed two experiments continually toward the
sun and a wheel section, which spun about an axis perpendicular
to the pointing direction of the sail. Transmitted PCM/PM
telemetry on 136.290 MHz with 0.57W. Recorded on May
17th 1972 on 136.290 MHz by Greg Roberts. |
Sept 29th 1971 |
635 kg |
OSO 7
decayed on July 9th 1974. Recorded on 136.290 MHz in
AM mode on Oct 24th 1973 by Greg Roberts. |
|
TETR 4
#05492
(1971-083B) |
Test
and Training satellite 4. Launched piggyback with OSO
7. Octahedral 30cm wide satellite. Carried an S-band
transponder. The tracking beacon and telemetry transmitted
continuously on 136.62 MHz at 0.1 W and 2282.5 MHz at
0.5 W. Command frequency was 259.700 MHz. Recorded on
136.620 MHz using an SSB receiver by Greg Roberts. |
Sept 29th 1971 |
20.4 kg |
TETR
4 recorded on Oct 24th 1973 on 136.620 MHz in AM by
Greg Roberts. |
|
Prospero
1
X-3
#05580
(1971-093A) |
Prospero was a British
scientific satellite used to test equipment for future
satellites and to conduct a scientific experiment to
measure the incidence of micrometeoroids. This flattened
sphere shaped satellite transmitted on 137.560 MHz with
0.3W a phase modulated signal with PCM at 2048 bit/s.
It was launched from launch pad 5B, Woomera, Australia
with a British Black Arrow Launch Vehicle. |
Oct 28th 1971 |
66 kg |
Recorded
on Oct 24th 1973 on 137.560 MHz in AM by Greg Roberts. |
Prospero
was recorded twice on 137.560 MHz between June 20th
and June 25th 1972 by Greg Roberts. |
|
S-Cubed A
SSS-A
SSS-1
(Explorer 45)
#05598
(1971-096A) |
SSS-A
(Small Scientific Satellite) performed a wide variety
of investigations within the magnetosphere with regards
to particle fluxes, electric and magnetic fields. SSS-A
transmitted continuous tracking and telemetry signals
on 136.830 MHz (0.5W). Command uplink channel was 148.98
MHz. A second downlink on 137.950 MHz could be commanded
on and off. Recorded on May 17th 1975 on 136.830 MHz
by Greg Roberts. |
Nov 15th
1971 |
114 kg |
|
Ariel 4
UK 4
#05675
(1971-109A) |
Ariel
4 (UK 4) was a small observatory investigating the interactions
between electromagnetic waves, plasmas and energetic
particles present in the upper ionosphere. It transmitted
on 137.050 MHz with 0.25 W telemetry data or a continuous
tracking carrier. The command uplink frequency was 148.250
MHz. Recorded on May 17th 1975 and on Aug 2nd 1972 by
Greg Roberts. |
Dec 11th 1971 |
99.5 kg |
Recorded
on Oct 24th 1973 with a rather noisy signal on 137.050
MHz by Greg Roberts. |
Ariel
4 was recorded three times on 137.050 MHz between June
20th and June 25th 1972 by Greg Roberts. |
|
Ferret
24
POPPY-7A
NOSS 0 (A)
#05678
(1971-110A) |
Ferret
24 was a surveillance and military spy satellite used
during the cold war. It is meanwhile declassified. It
transmitted on 136.800 MHz and 137.080 MHz. Recorded
on Oct 24th 1973 by Greg Roberts. |
Dec 14th 1971 |
700 kg |
Ferret
24 received on 136.800 MHz using an SSB receiver on
October 31st 1974 by Greg Roberts. |
Ferret
24 recorded with AM demodulator between June 20th and
June 25th 1972 by Greg Roberts. |
Ferret
24 recorded with CW demodulator between June 20th and
June 25th 1972 by Greg Roberts. |
|
POPPY-7D
NOSS 0
(D)
#05681
(1971-110D) |
The group
of 4 military recon satellites Poppy-7A to -7D were
also called NOSS 0 satellites. NOSS stands for Naval
Ocean Surveillance System and there were multiple groups
of satellites each having two or three satellites in
close proximity to one another. NOSS satellites locate
and track ships at sea by detecting their radio transmissions
and analyzing them using the TDOA (time-difference-of-arrival)
technique. 71110D, transmitted on 136.320 MHz and 137.050
MHz. Recorded on Oct 24th 1973 in AM on both frequencies
by Greg Roberts. |
Dec 14th
1971 |
700 kg |
|
HEOS 2
HEOS-A2
#05814
(1972-005A) |
HEOS
2 was built by ESRO (the European Space Research Organisation).
This spin stabilized satellite traveled in extremely
elongated orbits in order to study the interplanetary
magnetic field and solar and cosmic ray particles outside
the Earth’s magnetosphere. It studied especially high
latitude magnetosphere and the region around the northern
neutral point. It transmitted telemetry on 136.68 MHz
(5.9 W). Control uplink frequency was 148.250 MHz. Both
recordings made on Aug 15th 1973 in AM mode on 136.680
MHz by Greg Roberts. |
Jan 31st 1972 |
123 kg |
|
TD 1A
#05879
(1972-014A) |
TD-1A
(Thor Delta 1) Astronomical Celestial Observation Satellite.
It carried seven experiments devoted to astrophysical
studies. Recorded on 137.740 MHz using an SSB receiver
on October 30th 1974 by Greg Roberts. |
Mar 12th 1972 |
472 kg |
TD-1A
received on 136.050 MHz on May 17th 1972 by Greg Roberts. |
TD-1A
received on Oct 24th 1973 on 136.050 MHz in AM by Greg
Roberts. |
|
LANDSAT
1
(ERTS-1)
#06126
(1972-058A) |
Earth
Resources Technology Satellite. Its objective was to
obtain coverage of the United States and other major
land masses with multi-spectral, high spatial resolution
(60 m) images of solar radiation reflected from the
earth's surface. The tracking beacon transmitted on
137.860 MHz at 2 W. Telemetry on command was transmitted
in S-Band on 2229.5 MHz (20 W), 2265.5 MHz (20 W), 2287.5
MHz (1 W). Recorded on Dec 14th 1973 in AM by Greg Roberts.
|
Jul 23rd 1972 |
950 kg |
Recorded
on Dec 14th 1973 in FM by Greg Roberts.
|
|
METEC
MTS
(Explorer 46)
#06142
(1972-061A) |
METEC
(Meteoroid Technology Satellite) measured the meteoroid
penetration rates in a bumper-protected target as well
as meteoroid velocity and flux distribution. Recorded
on 136.320 MHz using an SSB receiver by Greg Roberts. |
Aug 13th 1972 |
90 kg |
Recorded
on June 7th 1975 on 136.320 MHz by Greg Roberts. |
Explorer
46 recorded twice on Oct 24th 1973 on 136.320 MHz in
AM mode by Greg Roberts. |
Recorded
twice on Aug 30th 1974 by Greg Roberts. |
|
OAO-3
Copernicus
#06153
(1972-065A) |
Orbiting
Astronomical Observatory (OAO-3, OAO-C) was also known
as Copernicus. Frequencies used were 136.260 MHz and
136.440 MHz. Recorded on Dec 14th 1973 using different
demodulators by Greg Roberts. |
Aug
21st 1972 |
2150
kg |
OAO-C
Copernicus recorded on Oct 24th 1973 in AM probably
on 136.440 Mhz by Greg Roberts. |
Recorded
in AM mode on Sept 1st 1975 by Greg Roberts. |
|
NOAA 2
(ITOS-D)
#06235
(1972-082A) |
Meteorological
satellite providing day and night cloud cover data.
NOAA-2 relied entirely on scanning radiometers for imagery.
Tracking and telemetry was transmitted with 250 mW on
136.770 MHz. Telemetry on demand was on 137.500 MHz,
137.620 MHz or 1697.500 MHz (5 W). APT transmission
recorded on Dec 14th 1973 in FM by Greg Roberts.
|
Oct 15th 1972 |
409 kg |
The
beacons on the NOAA satellites are relatively powerful
and can be heard
without much difficulty using the FM mode of receivers.
This was shown here on Dec 14th 1973 by
Greg Roberts. |
NOAA
2 ( aka ITOS-D) recorded either on 137.500 MHz or 137.620
MHz in AM mode on Aug 15th 1973 by Greg Roberts. |
NOAA
2 telemetry beacon recorded either on 136.770 MHz in
AM mode on Oct 24th 1973 by Greg Roberts. |
|
ESRO-4
#06285
(1972-092A) |
ESRO
4 was cylindrical in shape and was spin stabilized.
It transmitted a PCM/PM telemetry mode in three forms:
real-time telemetry at 64 bps, tape-recorder playback
and high-speed telemetry at 10240 bps. It studied the
ionosphere, auroras and solar particles. Recorded on
Oct 24th 1973 in AM on 137.200 MHz by Greg Roberts. |
Nov 22nd 1972 |
115 kg |
|
Meteor
1-14
#06392
(1973-015A) |
Meteor
1-14 was the 14th fully operational meteorological satellite
in the Soviet Meteor 1 program and the first to transmit
over South Africa. Recorded by Greg Roberts. |
Mar 20th 1973 |
2000 kg |
|
NOAA
3
(ITOS-F)
#06920
(1973-086A) |
Meteorological
satellite providing day and night cloud cover data.
Recorded on 137.400 MHz, 137.500 MHz or 137.620 MHz
using an SSB receiver by Greg Roberts. |
Nov
6th 1973 |
746
kg |
The second
file was recorded on Dec 14th 1973 in FM by Greg Roberts. |
|
AE-C
(Explorer 51)
#06977
(1973-101A) |
Explorer
51 was a scientific satellite studying the high atmosphere.
It transmitted on 137.230 MHz. It decayed on Dec. 12th
1978. Recorded on June 7th 1975 in CW by Greg Roberts. |
Dec 16th 1973 |
658 kg |
Recorded
on June 7th 1975 by Greg Roberts (first in CW and then
switched during the reception to AM). |
|
Tansei 2
Tansei
MRT
MS-T2
#07122
(1974-008A) |
Tansei
2 was a Japanese satellite with a short mission of only
17 days. It included a magnetic attitude control test
system, a housekeeping measurement system and a radio
telemetry system. Recorded on February 27nd 1974 in
CW on 136.725 MHz by Greg Roberts. In AM nothing could
be heard. |
Feb 16th
1974 |
56 kg |
|
ATS-6
ATS-F
#07318
(1974-039A) |
ATS-6
(Applications Technology Satellite-6, also called ATS-F)
was the world's first educational satellite as well
as the first experimental direct broadcast TV satellite
(DBS) in a geostationary orbit. The 3 axis stabilized
satellite transmitted with 2 Watts and used a 9.15m
dish antenna. Recorded on 136.230 MHz by Greg Roberts. |
May 30th 1974 |
930 kg |
Recorded
on 137.1017 MHz by Greg Roberts. |
|
Hawkeye
1
Injun-F
(Explorer 52)
#07325
(1974-040A) |
Hawkeye
1 was also called Neutral Point Explorer and carried
space physics experiments including a magnetometer,
an energetic plasma analyzer and an ELF-VLF wave instrument.
Data were transmitted in real time at frequencies of
136 MHz and 400 MHz at 100 bps (or 200 bps with convolutional
coding) plus wideband VLF data. Recorded at 136.290
MHz using an SSB receiver. In the middle of the second
recording the receiver was switched to AM. Both files
recorded on October 30th 1974 by Greg Roberts. |
June 3rd 1974 |
22.7 kg |
Recorded
on Sept 6th 1975 on 136.290 MHz during a near perigee
pass by Greg Roberts. |
|
Aeros 2
Aeros B
#07371
(1974-055A) |
Aeros
2 was a German scientific satellite. The purpose of
its mission was to study the state and behavior of the
upper atmosphere and ionospheric F region, especially
with regard to the influence of solar ultraviolet radiation.
It transmitted on 137.290 MHz and decayed on Sept 25th
1975. Recorded on June 7th 1975 in AM or FM by Greg
Roberts. |
Jul 16th 1974 |
125.7 kg |
It was
launched into an elliptical, polar, nearly sun-synchronous
earth orbit. It decayed on Sept 25th 1975. Recorded
on Sept 7th 1975 on 137.290 MHz by Greg Roberts. |
|
ANS
#07427
(1974-070A) |
ANS (Astronomical
Netherlands Satellite) was an earth-orbiting, sun-synchronous
satellite, designed as an astronomical observatory.
Its lifetime was 20 months. Recorded on 137.890 MHz
using an SSB receiver on October 30th 1974 by Greg Roberts. |
Aug 30th 1974 |
130 kg |
Recorded
on June 7th 1975 on 137.890 MHz in CW by Greg Roberts. |
Both
files recorded on June 7th 1975 on 137.890 MHz in AM
and CW by Greg Roberts. |
|
Intasat
#07531
(1974-089C) |
Intasat
was launched together with Oscar 7 and NOAA-4. This
first Spanish satellite was a small, magnetically oriented,
spin stabilized spacecraft carrying a beacon experiment
to study the ionosphere. It was turned off at the end
of 2 years. Recorded in AM mode on Sept 1st 1975 on
136.710 MHz by Greg Roberts. |
Nov 15th
1974 |
20.4 kg |
|
CASTOR
D5B
#07802
(1975-039B) |
CASTOR's
primary mission objective was to study the upper atmosphere
density variations. Secondary objectives included a
study of gravity field perturbations and a study of
micrometeorite impacts. It decayed on Feb. 18th 1979.
Both files recorded on 136.240 MHz on June 21st 1975
in CW by Greg Roberts. |
May 17th 1975 |
76 kg |
Both
files recorded on June 21st 1975 on 136.240 MHz in FM
by Greg Roberts. |
Recorded
in AM mode on Sept. 1st 1975 on 136.250 MHz by Greg
Roberts. |
|
OSO-8
#07970
(1975-057A) |
OSO-8
was supposed to perform solar physics experiments above
the atmosphere during a complete solar cycle and to
map the entire celestial sphere for direction and intensity
of UV light, X-ray radiation, and gamma-ray radiation.
Unfortunately it went out of service on Sep 1978 and
decayed on July 9th 1986. Recorded by Greg Roberts on
136.920 MHz in CW on June 21st 1975 just 1 hour after
its launch. |
June 21st 1975 |
1064 kg |
Recorded
on June 21st 1975 in AM just 1 hour after its launch
by Greg Roberts. |
|
Meteor
2-01
#08026
(1975-064A) |
Meteor
2-01 was recorded twice in the 137 MHz band in FM on
November 7th 1975 by Greg Roberts. |
Jul 11th 1975 |
2800 kg |
Meteor
2-01 was recorded also twice in the 137 MHz band in
FM in the afternoon of June 6th 1998 by DD1US. |
 Click on the picture on the right
to access a collection of APT pictures received from
Meteor 2-1 by DD1US in 1998.
|
|
COS B
#08062
(1975-072A) |
COS B
(Cosmic Ray Satellite) was a scientific satellite developed
by the European Space Agency (ESA) to study extraterrestrial
gamma radiation in the 25-MeV to 1-GeV energy range
from a highly elliptical orbit. Recorded twice in CW/AM
mode on Sept. 2nd 1975 on 136.950 MHz by Greg Roberts. |
Aug 9th
1975 |
277.5 kg |
|
Symphonie-B
Symphonie 2
#08132
(1975-077A) |
Symphonie
2 was a French-German, geostationary, equatorial experimental
communications satellite. It provided 1200 telephone
circuits and eight voice and two color TV channels which
operate between 4 and 6 GHz. Recorded on Aug 29th 1975
on 136.800 MHz by Greg Roberts. |
Aug 27th 1975 |
400 kg |
|
D-2B Aura
#08332
(1975-092A) |
The French
Astronomy Satellite D2B carried an EUV experiment for
solar and atmospheric investigations and a set of UV
experiments for making stellar, zodiacal light, integrated
sky background and stellar observations. The data transmission
rate was 256 b/s for real-time data and 11 kb/s for
stored data at a telemetry frequency of 136.740 MHz.
The stabilization system failed on December 28th 1976,
thereby terminating operation of the spacecraft. Recorded
on Oct 6th 1975 in CW/AM on 136.740 MHz by Greg Roberts. |
Sep 27th
1975 |
115 kg |
|
Meteor 2-02
#09661
(1977-002A) |
Meteor 2-02 was a  meteorological
satellite transmitting APT on 137.300 MHz (5W). Picture
received at or before Dec 30th 1992 by DD1US.
I
am searching for sound files. Please send them to |
Jan 7th
1977 |
2800 kg |
|
Meteosat
2
#12554
(1981-057A) |
Meteosat-2
was a spin-stabilized cylindrical meteorological satellite
in a geostationary orbit at 0° longitude. It transmitted
weather pictures on the downlink frequencies 1691.0
MHz and 1694.5 MHz. Recorded in FM by Greg Roberts. |
Jun 19th 1981 |
282 kg |
|
NOAA 9
NOAA-F
#15427
(1984-123A) |
NOAA-9 was also called
NOAA-F.  APT
downlink frequency was 137.620 MHz (inoperative), HRPT
downlink frequencier were 1702.5 MHz and 1707.0 MHz,
Beacon frequency was 137.770 MHz (on command). Picture
received at or before Dec 30th 1992 by DD1US.
I
am searching for sound files. Please send them to |
Dec 12th
1984 |
1418 kg |
|
Kosmos
1766
OKEAN-O1 #1
#16881
(1986-055A) |
Kosmos
1766 was an oceanographic satellite equipped with optical
scanners and radar imaging devices. Recorded on 137.400
MHz in FM by Greg Roberts. |
Jun 28th 1986 |
1950 kg |
|
NOAA 10
NOAA-G
#16969
(1986-073A) |
NOAA-10 was also called
NOAA-G and
included a search and rescue (SAR) system. Its primary
purpose was meteorological though. APT downlink frequency
is 137.500 MHz, HRPT downlink frequency is 1698.0 MHz,
Beacon frequency is 136.770 MHz.Picture received at
or before Dec 30th 1992 by DD1US.
I am searching
for sound files. Please send them to |
Sep 17th
1986 |
386 kg |
|
ECS-4
EUTELSAT 4
#18351
(1987-078B) |
The EUTELSAT
I series of satellites was developed by the European
Space Agency (ESA) as part of the European Communications
Satellite (ECS) program. They served both public and
private traffic, including telephone services, fax,
data, land mobile service, and television and radio
programming. PCM/FSK/PM transmission recorded on 137.142
MHz by Mike D. Kenny. |
Sep 16th 1987 |
1175 kg |
|
NOAA 11
NOAA-H
#19531
(1988-089A) |
NOAA-11 was also called
NOAA-H.  APT
downlink frequency is 137.620 MHz, HRPT downlink frequency
is 1707.0 MHz, Beacon frequency is 137.770 MHz. Picture
received at or before Dec 31st 1992 by DD1US.
I
am searching for sound files. Please send them to |
Sep 24th
1988 |
386 kg |
|
FLTSATCOM
8
USA 046
#20253
(1989-077A) |
FLTSATCOM
8 (Fleetsatcom) is a geostationary (23°W) military
communications satellite. It has 23 communications channels
in the UHF frequency band from 244 to 263 MHz. Sometimes
some of the channels get hijacked by pirates and used
for private purpose. Such an event was recorded on on
Jan 5th 2008 on 255.550 MHz in NFM by Chris Gross in
Pennsylvania using a Yupiteru MVT-7100. |
Sep 25th 1989 |
1043 kg |
Another
example for a pirate signal was recorded on 255.550
MHz on Dec 16th 2006 in NFM by Chris Gross in Pennsylvania
using a Yupiteru MVT-7100. |
|
Meteor 3-4
#21232
(1991-030A) |
Meteor 3-4 transmitted
APT on  137.???
MHz. Picture received at or before Dec 30th 1992 by
DD1US. |
Apr 24th
1991 |
2150 kg |
|
NOAA
12
NOAA-D
#21263
(1991-032A) |
NOAA-12
was also called NOAA-D. APT downlink frequency is 137.500
MHz, HRPT downlink frequency is 1698.0 MHz, Beacon frequency
is 136.770 MHz. NOAA 12 was de-commissioned (permanently
switched off) on 10 August 2007 after more than 16 years
of service. Received on May 5th 1998 by DD1US. |
May
14th 1991 |
590
kg |
 In the year 1998 I received a number
of APT pictures from NOAA-12. Click on the picture on
the right to have a look at this collection.
|
|
Meteor
3-5
TOMS
#21655
(1991-056A) |
Cooperative
space mission between the US and the former USSR to
map global ozone from space using a Total Ozone Mapping
Spectrometer (TOMS) designed and operated by NASA. Meteor
3-5 transmitted APT on 137.850 MHz. Received on May
1st 1998 by DD1US. |
Aug
15th 1991 |
2150
kg |
 In the year 1998 I received a number
of APT pictures from Meteor 3-5. Click on the picture
on the right to have a look at this collection.
Audio recorded on May 1st 1998 by DD1US.
|
|
COSMOS
2184
#21937
(1992-020A) |
Cosmos
2184 was part of a 6-satellite Russian military navigation
system distributed in orbital planes spaced 30 degrees
apart and launched from the Plesetsk Cosmodrome aboard
a Cosmos rocket. Navigation information was derived
from Doppler-shifted VHF transmissions (approximately
150 and 400 MHz) of the satellite position and orbital
data. Recorded on Dec 16th 2006 on 149.910 MHz by Chris
Gross in Pennsylvania using a Yupiteru MVT-7100. |
Apr 15th 1992 |
825 kg |
|
HealthSat-2
Healthsat-II
WavSat-1
#22827
(1993-061E) |
Healtsat-2
joined HealthSat-1 (UoSAT-3) as secondary microsatellite
in the HealthNet system of SatelLife. It was build by
SSTL in Surrey/UK based on its MicroSat-70 platform
and launched together with the primary payload SPOT-3
and several other microsats into a LEO (low earth orbit)
on Ariane 40 V59 from Kourou. This store and forward
communications satellite provides a communications network
especially for remote regions. For instance it relays
medical emergency information from Africa to hospitals
and health documentation centers. HealthSat-2 feature
3 uplink receivers at VHF and 2 redundant downlink transmitters
at UHF. It uses omni-directional satellite antennas.
The modulation and data rate is switchable between 1200bd
AFSK and 9600bd FSK in the uplink and 9600bd FSK and
38400 bps FSK in the downlink. It uses the AX.25 packet
communications protocol developed for Amateur Radio.
The output power of the transmitter is adapted by computer
control between 1W and 10W. Under a unique partnership
agreement between Wavix, SatelLife, and VITA, the satellite
under the name WavSat-1
continues its humitarian mission. |
Sep
26th 1993 |
48 kg |
|
OKEAN
4 (1-7)
#23317
(1994-066A) |
Okean
4 (1-7) was a Russian /  Ukrainian
oceanic / meteorological satellite. It transmitted on
137.400 MHz. Picture received on March 21st 1998 by
DD1US. The enclosed audio file recorded on 137.400 MHz
was kindly provided by Mike DK3WN. |
Oct 11th 1994 |
1950 kg |
|
NOAA 14
#23455
(1994-089A) |
Besides
an imaging radiometer, NOAA 14 (also called NOAA-J)
carried optical sounders to monitor temperature and
moisture content in the atmosphere, and counters to
measure energetic electrons and protons. APT downlink
frequency is 137.620 MHz, HRPT downlink frequency is
1698.0 MHz, Beacon frequency is 136.770 MHz. The audio
file was recorded on March 8th 1998 by DD1US. |
Dec 30th 1994 |
1421 kg |
 The
picture on the right was received on March 1st 1998
by DD1US and shows a comparison of the APT picture received
on 137.620 MHz to the HRPT picture (derived from the
internet).
|
 In the year 1998 I received a number
of APT pictures from NOAA 14. Click on the second picture
on the right to have a look at this collection.
|
|
SICH-1
#23657
(1995-046A) |
SICH-1
offered RADAR and thermal microwave imagery in addition
to the more usual visible light transmissions. Resolution
was approx. 1 km. SICH-1 transmitted APT on 137.400
MHz and higher resolution pictures at 465 MHz. The enclosed
audio file recorded on 137.400 MHz was kindly provided
by Mike DK3WN. |
Aug 31st 1995 |
1950 kg |
|
UFO
7
UHF-FO 7
USA 127
#23967
(1996-042A) |
UFO 7
(Ultra High Frequency Follow On) is a geostationary
(25°W) military communications satellite. It carries
39 UHF channels with a total bandwidth of 555 kHz, a
SHF subsystem, 20 EHF channels. Recorded on Jan 5th
2008 on 249.125 MHz in LSB by Chris Gross in Pennsylvania
using a Yupiteru MVT-7100. |
Jul
25th 1996 |
3015
kg |
Recorded
on Jan 5th 2008 on 267.035 MHz in LSB by Chris Gross
in Pennsylvania using a Yupiteru MVT-7100. |
|
MUSAT-1
MO30
Microsat
#24291
(1996-050A) |
MuSat
- 1 "Victor" was developed and built by a
25-person team at the Instituto Universitario Aeronautico,
under the Sponsorship of the government of the province
of Cordoba, and was launched together with Magion-5
and Prognoz M-2 by a Molniya rocket. It was the first
satellite made in Argentina and was reported to be functional.
It weights 32 kg in-orbit (34.5 kg mounted onto the
LV), and has dimensions 340x340x450mm."Victor "
is an experimental vehicle, intended to evaluate in-orbit
behavior of low-cost space technologies. It carries
two video cameras, oriented for earth-imaging, as well
as transceivers in both UHF and S bands. Electrical
power is provided by four 88-Si cells solar panels,
with an end-of-life electrical power of 8W. The beacon
can be heard every 90 seconds on 137.95 MHz as a brief
burst of CW ("Hi hi de MUSAT"). It finally
decayed on the 12th November 1999. The recording of
the beacon was provided by Dale Ireland. |
Aug 29th 1996 |
32 kg |
|
METEOSAT-7
#24932
(1997-049B) |
METEOSAT-7,
a European meteorological satellite, was launched from
the Kourou space center in French Guiana aboard an Ariane
44LP rocket. It was the last member of the 1st generation
of METEOSAT satellites and was first placed in a geosynchronous
orbit at 10.2 deg W. Later Eumetsat moved METEOSAT-7
to 0° E longitude. The standard mode of operation
was full-disk imagery in 3 channels every half-hour.
The 1691 MHz downlink signal was recorded by Michael
Fletcher OH2AUE on April 12th 2006 at 19:45UTC. |
Sep
2nd 1997 |
3455
kg |
In April
2006 METEOSAT-7 was out of inclination-keeping fuel
and thus it was de-commissioned on June 14th 2006. This
marked also the end of almost a quarter of a century
of Meteosat's 1st generation transmissions. This is
the very last transmission from Meteosat-7 on June 14th
2006 before it was finally shut off. The recording was
kindly provided by Paul Marsh M0EYT. |
Some time later it turned out, that
the APT transmissions of Meteosat-7 were not  completely
stopped. After the satellite had been moved East to
53°E it continued to transmit APT pictures on 1691,007
MHz in FM modulation. The picture enclosed was recorded
and kindly provided on April 25th
2009 by Nils. |
|
NOAA 15
#25338
(1998-030A) |
NOAA-15
was the first in a series of five satellites called
POES with improved imaging and sounding capabilities.
The audio file was recorded on 137.500 MHz on July 16th
1998 by DD1US. |
May 13th 1998 |
1475 kg |
 In the year 1998 I received a number
of APT pictures from NOAA-15. Click on the picture on
the right to have a look at this collection.
|
NOAA-15
was still active 10 years later as the recording from
Patrick DK193WN on June 26th 2008 shows. His R2FX receiver
was tuned to 137.500 MHz. |
 The
S-Band downlink at 1544.500 MHz was received and recorded
as a spectrum plot by Paul M0YET on October 13th 2007.
|
|
RESURS
O1-N4
RESURS-O1 #4
#25394
(1998-043A) |
RESURS
O1-N4 is a Russian natural resources sensing  satellite
that was launched from Baykonur using a Zenit 2 rocket
to perform ecological and meteorological monitoring.
The transmitted APT picture and the audio file were
received on 137.850 MHz on February 28th 1999 at 10:30
UTC by Mike DK3WN. |
July 10th
1998 |
1250 kg |
|
MEGSAT-1
#26546
(2000-057B) |
MegSat-1
is a LEO and aims to offer 64kbps Store and Forward
communications with a downlink at 137.905 MHz. It carries
two scientific payloads:
1.) measure UV emissions
from the aurora borealis to determine their correlation
with solar activity in oxygen lines.
2) Measure
near-UV night sky background emissions.
The audio
file enclosed was received on 137.905 MHz on April 14th
2009 around 13:00 UTC by Nils. |
Sept 26th
2000 |
56 kg |
|
NOAA
17
NOAA M
#27453
(2002-032A) |
One of the fourth-generation of operational,
polar orbiting, meteorological satellites. Enclosed
audio file was recorded on March 19th 2008 at 11:45UTC
in FM on 137.620 MHz by DD1US. |
Jun
24th 2002 |
1457
kg |
 The APT picture to the right was
received from Noaa 17 in FM on 137.620 MHz on October
20th 2002 by DD1US.
|
 This
sound file and the corresponding APT picture were received
by Patrick DK193WN on Sept 14th 2008 on 137.620 MHz
from NOAA-17.
|
|
MIMOSA
#27841
(2003-031B) |
MIMOSA
(MIcroMeasurements Of Satellite Accelerations) is a
Czech minisatellite which is nearly spherical with 28
sides and carries a microaccelerometer to monitor the
atmospheric density profile by sensing the atmospheric
drag. CW transmission was recorded on 137.143 MHz by
Mike D. Kenny. |
Jun 30th 2003 |
66 kg |
|
Smart-1 moon Orbiter
#27949
(2003-043C) |
 Launched
by ESA on an Ariane 5 rocket from Kourou. Mission
ended September 3rd 2006 with its planned impact into
moon. It transmitted at 8453.024225 MHz and at 32121.49350
MHz. The spectrum plot was recorded at 8453 MHz on August
15th
2006 and was kindly provided by www.uhf-satcom.com.
|
Sep 27th
2003 |
367 kg |
|
UNISAT-3
#28373
(2004-025H) |
UNISAT-3
is an Italian, scientific microsatellite designed to
test solar cells in the space environment, to measure
magnetic fields to compute the satellite altitude and
to test radio communications. 9600 Baud GMSK signal
recorded on 435.230 MHz during its first days after
launch by Brian Hougesen OZ1SKY. |
Jun 29th 2004 |
12 kg |
|
HAMSAT
VUSat
OSCAR-52
#28650
(2005-017B) |
HAMSAT
is an Indian (ISRO) microsatellite. It relays amateur
VHF radio communications. There seems to be also a non-amateur-radio
PCM/BPSK transmission which was recorded on 137.175
MHz by Mike D. Kenny. |
May 5th 2005 |
42.5 kg |
|
NOAA
18
NOAA N
#28654
(2005-18A) |
The APT downlink frequencies are
VTX-1: 137.100 MHz and VTX-2: 137.9125 MHz. Noaa-18
switched from VTX-2 to VTX-1 on January 4th 2006 and
back from VTX-1 to VTX-2 on July 20th 2006 at 13:20
UTC. Later, on Thursday, August 16th 2007 at 14:46 UTC
it was again switched back to VTX-1 and since then transmits
on 137.100 MHz. The beacon frequency is
137.350 MHz. Enclosed audio file was recorded on March
19th 2008 at 10:40UTC in FM (BW only 15 kHz) by DD1US. |
Jun
24th 2005 |
1457
kg |
This
APT signal was received with less noise by Alan Banks. |
 This
sound file and the corresponding APT picture were received
by Patrick DK193WN on May 3rd 2008 on 137.100 MHz from
NOAA-18.
|
|
Mozhayets
5
Sinah-1
Roskosmos
RS-25
#28898
(2005-043G) |
Mozhayets 5 = Sinah-1
is an educational technology satellite carrying a laser
communications experiment. It is based on the Strela
1M2 platform. It is reported that Mozhayets 5 failed
to detach from the upper stage of the Kosmos 3M launcher.
Therefore its NORAD number is identical to the launcher
(and thus RUBIN-5 see below). |
Oct
27th
2005 |
160
kg |
Sinah-1
includes a russian CW beacon transmitting on 435.325
MHz with the callsign RS-25. This beacon was recorded
by Mike DK3WN on Oct. 29th
2005 at 23:22 UTC. |
Sinah-1
is also transmitting digital data in FM on 435.325 MHz.
Recorded by Maik Hermenau. |
|
RUBIN-5
SAFIR-S
#28898
(2005-043G) |
The launch of Mozhayets
5 also includes 2 experiments from Germany. Rubin-5
is a technology/communications payload using the ORBCOMM
system. It remained intentionally attached to the rocket
final stage (it is part of the adapter used to deploy
the other satellites). It included the AATiS SAFIR-S
amateur transponder and the ESA ASOLANT solar-powered
GPS antenna experiment. SAFIR-S transmitted on 2401.9
MHz. |
Oct 27th 2005 |
64 kg |
|
MSG 2
METEOSAT-9
#28912
(2005-049B) |
MSG 2 (Meteosat
Second Generation 2) is a European (ESA) geostationary
weather satellite, with operational control by the EUMETSAT
organization. The craft was renamed Meteosat 9 after
it was moved to is geostationary final position at 0.0°
longitude . It is spin-stabilized and carries two main
instruments. SEVIRI (Spinning Enhanced Visible and InfraRed
Imager)  will
provide images taken in four visible and eight infrared
channels every 15 minutes, at a resolution of 1 km in
visible light and 3 km in infrared. The false colour
picture enclosed shows the full Earth disk and was recorded
on May 31st 2008 at 12:00 UTC. Copyright MSG_Data@2008_Eumetsat.
Thanks to Alan Banks for kindly providing the picture. |
Dec 21st 2005 |
2000 kg |
|
MetOp-A
#29499
(2006-44A) |
MetOp-A
is the first European polar orbiting satellite. MetOp-A
carries a suite of 13 instruments to closely observe
weather systems and climate trends. Five of these are
considered new and were developed in Europe. The others
are provided by NOAA and the French space agency, CNES,
having flown on several earlier U.S. weather satellites.
MetOp-A includes an UHF receiver (401.65 MHz) and signal
processor for locating and/or collecting meteorological
data from remote fixed and free floating terrestrial
and atmospheric platforms. The UHF downlink for this
ADCS (Advanced Data Collection System) system is at
465.9875 MHz where Metop-A transmits data with 200 bit/s
or 400 bit/s.
Furthermore it features a VHF/UHF
transponder and signal processor for locating and collecting
information from remote distress platforms such as Emergency
Locator Transmitters (ELTs) transmitting on 121.5 (±
20 kHz), 243.0 (± 30 kHz), and 406.05 MHz (±
80 kHz), and Emergency Position Indicating Radio Beacons
(EPIRBs) transmitting on 406 MHz. These bands are then
summed with 2.4 kbps data from the SARP-3 (beacons of
aircraft and ships in distress) unit and the resulting
signal phase-modulates the L-band downlink transmitter
(1544.5 MHz ± 400 kHz).
|
Oct
19th 2006 |
4100
kg |
  The spectrum plots of the S-Band
downlink at 2230 MHz were recorded by Paul M0YET on
Sept 30th 2007 at 20:43UTC and on Nov 13th 2007 at 10:42UTC.
|
|
GeneSat-1
#29655
(2006-058C) |
GeneSat-1
was built by NASA and Santa Clara State University and
carried biological experiments (E.Coli K-12 bacteria).
It used the ham radio callsign KE7EGC in spite of the
fact that it was not an official ham radio satellite.
It operated on a downlink of 437.067 MHz and transmitted
1200bd AX.25 packets. Recorded on December 17th 2006
at 03:22 UTC on 437.067 MHz in FM by Mike DK3WN. |
Dec 16th 2006 |
4.6 kg |
|
Selene
Kaguya
#32054
(2007-039A) |
SELenological and ENgineering
Explorer was funded by the Japan Aerospace Exploration
Agency. This lunar orbiter mission consists of three
satellites:
1.) an orbiter containing most of the
scientific equipment named "Kaguya"
2.)
a VLBI (Very Long Baseline Interferometry) Radio (VRAD)
satellite named "Ouna"
3.) a relay satellite
named "Okina" designed to receive a doppler
ranging signal from the orbiter when it is around the
far side of the moon out of direct contact with the
Earth and transmit the signal to Earth to estimate the
far-side gravitational field. |
Sep
14th 2007 |
1984
kg |
The S-band
downlink of Kaguya at 2363.6 MHz was received by Michael
OH2AUE using only a bent paper clip as the antenna.
This is to show what is possible with even such a small/simple
antenna: the signal is really weak but you can clearly
identify it especially at the end of the recording.
Recorded on December 18th 2007 by Michael OH2AUE. |
 Here
is a spectrum plot recorded by Paul M0YET on November
14th 2008 at 21:12 UTC. Please note the excellent signal
quality: he achieved more than 30 dB SNR using a 7 Hz
bandwidth.
|
|
CanX-2
#32797
(2008-021L) |
CanX-2 (Canadian
Advanced Nanospace eXperiments) was
built by University of Toronto, Canada and was launched
together with 6 amateur radio cubesats. With a size
of 10x10x34cm and a weight of 3.5 kg it is the second
nano-satellite within the Canadian Advanced Nanospace
eXpermiment (CanX). CanX-2 transmits data on its S-band
downlink in the 2.2 GHz Space Research Service Band.
Due to power limitations this transmitter is only activated
when the satellite is over the ground station in Toronto,
Canada. Its 70cm transmitter (437.478 MHz, 4 kbps GFSK)
has not been turned on yet. |
Apr 28th 2008 |
3.5 kg |
|
Chandrayaan
1
#33405
(2008-052A) |
Chandrayaan-1 (means "Moon Craft"
in ancient Sanskrit) is an Indian Space Research Organization
(ISRO) mission designed to orbit the Moon over a two
year period with the objectives of upgrading and testing
India's technological capabilities in space and returning
scientific information on the lunar surface. The satellite
is a cuboid in shape of approximately 1.5 m side. The
scientific payload data transmission is in X-band frequency.
The Telemetry, Tracking & Command (TTC) communication
is in S-band frequency. Chandrayaan includes also a
Moon Impact Probe (MIP)
weighing 29 kg which rides piggyback on the top deck
of the main orbiter. MIP will be released at a predetermined
time after the orbiter reaches the final 100 km orbit
to impact at a pre-selected location. MIP operates at
4.3 GHz +/- 100 MHz. |
Oct
22nd
2008 |
523
kg |
This spectrum plot of the
S-band downlink at 2230.9 MHz was recorded on November
8th 2008 by Paul M0YET. |
Here
is another recording of Chandrayaan-1 kindly provided
by Paul M0YET. He received the satellite on 2230,9 MHz
when rather far away and thus quite weak on November
9th 2008 at 19:53UTC using a 90cm dish and an AOR AR-5000
receiver. The satellite can barely be heard in the audio
file but very well seen in the spectrum plot. |
The X-Band
downlink (8483.967 MHz) of Chandrayaan-1 was recorded
by Paul M0YET on February 7th 2009 at 18:56UTC. |
|
STS-126
Endeavour OV-105
#33441
(2008-059A) |
STS-126 is
the 27th shuttle mission to the International Space
Station. STS-126 delivered the italian MPLM (multi purpose
logistic module) "Leonardo" which gave the
International Space Station ISS the ability to support
twice the crew than previously living there.
 The
spectrum plot of the S-band downlink at 2217.5 MHz was
recorded on November 16th 2008 05:17UTC by Loren WA7SKT.
You can see the multiple subcarriers containing data. |
Nov 15th 2008 |
2048979 kg |
|
OMID
#33506
(2009-004A) |
OMID (Iranian for "hope")
is the 1st
satellite built and launched domestically by Iran on
a Safir 2 rocket. It is a small technology satellite
carrying an instrument to measure the space environment,
and a GPS receiver modified for use in the unstabilized
satellite. Its mission is defined to be data-processing
for research and telecommunications. The downlink frequencies
coordinated by ITU are 464.98750 MHz and 465.01250
MHz (@ +7 dBW). The uplink command frequency is at 401
MHz. |
Feb
2nd 2009 |
25
kg |
The telemetry
downlink signal was received by Paul M0YET using a receiver
with a NFM demodulator (15kHz bandwidth). It is a 600Bd
manchester encoded data stream (300Bd data). |
 Paul
M0YET kindly provided the enclosed spectrum plot of
the downlink signal which he recorded on Feb 4th 2009
at 17:18h UTC. Please note that the downlink is not
continuously activated and seems to be switched between
2 different TX modes.
|
|
NOAA
19
NOAA N'
#33591
(2009-005A) |
NOAA N' was severly damaged
in an factory accident in September 2003. Therefore
the launch was delayed until early 2009 when it was
finally launched on a Delta-II rocket from Vandenberg
Airforce Base in USA. The APT downlink frequencies are
VTX-1: 137.100 MHz and VTX-2: 137.9125 MHz. After launch
it started using VTX-2. Also the S-band AVHRR downlink
signal on 1702.5 MHz was received. The beacon frequency
is 137.770 MHz. The HRPT downlink frequency is 1698
MHz. |
Feb
6th 2009 |
1457
kg |
 Paul
M0YET detected an additional downlink signal on 465.99
MHz using the modulation: 400 bps HDLC, Bi-phase-L,
PM . It comes from the ARGOS-3 A-DCS system. He recorded
the spectrum plot on Feb 7th 2009 at 11:30h UTC.
|
 This
sound file and the associated APT picture shown on the
right were received by Mike DK3WN on Feb 7th 2009 around
13:15UTC on 137.9125 MHz.
|
 Mike
Kenny in Australia received APT signals of NOAA 19 during
north-bound passes in the Southern Hemisphere. The audio
file was recorded on February 8th 2009 at 04:03UTC.
The picture was recorded on February 7th 2009 at 04:07UTC. |
|
PharmaSat-1
#35002
(2009-028B) |
PharmaSat-1
is s a follow on to the highly successful GeneSat-1
Mission. The Ames Small Spacecraft Division is collaborating
with industry and local universities to develop the
next generation fully-automated, miniaturized triple
cubesat spaceflight system for biological payloads.
The PharmaSat experiment and flight system are designed
to measure the influence of microgravity upon yeast
resistance to an antifungal agent. PharmaSat implements
PI guided science focused on questions key to countermeasure
development for long-term space travel and habitation.
It uses a FM 1k2 AFSK AX.25 communications downlink
at 437.465 MHz. Received
by Mike DK3WN on May 21st 2009
at 16:25 UTC. |
May 19th
2009 |
5 kg |
|
HawkSat-1
#35003
(2009-028C) |
HawkSat-1
is a single-unit Cubesat which was built and will be
operated by the Hawk Institute for Space Science. It
is based on a CubeSat kit from Pumpkin Incorporated
and carries a technology demonstration payload, primarily
as a proof-of-concept mission, testing command, data
and power subsystems. It is powered by solar cells.
Experimental data will be returned to Earth by means
of a store and dump communications systems. The downlink
frequency is 437.345 MHz. |
May 19th
2009 |
1 kg |
|
PolySat
CP6
#35004
(2009-028D) |
CP6
was built at California Polytechnic State University
at San Luis Obispo. Its primary mission is to implement
an attitude control system using only magnetic torquers
embedded within the side panels. Attitude determination
is performed using two-axis magnetometers on each side
panel as well as observation imagers on the payload
face. Once the primary objectives have been met, a command
will be sent to deploy the secondary payload that consists
of a series of spring steel tapes supporting an electron
collection experiment provided by Naval Research Laboratory.
CP6 uses two FM 1k2 AFSK AX.25 communications downlinks
with transmit power of 1 W. The estimated
center frequencies of the alternating transmitters (several
burst COMM A, then COMM B) are COMM A = 437.3655 MHz
and COMM B = 437.3664 MHz. Received
by Mike DK3WN on May 20th 2009
at 17:59 UTC. |
May
19th 2009 |
1
kg |
Enclosed
signal was recorded on July 31st
2009 at 08:45 UTC by Mike DK3WN. |
|
Meteor M1
Meteor-M-1
#35865
(2009-049A) |
Meteor M1
is a Russian weather satellite launched on a Soyuz 2
(#7) rocket from Baikonur into a 840 km sun-synchronous
orbit. This new generation of weather satellites features
digital VHF transmissions (LRPT) instead of the traditional
analog APT transmissions. The downlink frequency is
137.100 MHz.
Enclosed signal was recorded on Dec.
19th 2009 at 20:10 UTC by Mike
DK3WN. |
Sept 17th
2009 |
2755 kg |
|
UGATUSAT
RS-28
#35868
(2009-049D) |
Ugatusat (Ufimskiy
Gosudarstvenniy Aviatsionniy Tekhnicheskiy Universitet
Satellite) is a remote sensing and educational
satellite developed by Ugatu (Ufa State Aviation Technical
University) and built by PO Polyot. It features a camera
with a resolution of 50m. Ugatusat was launched on a
Soyuz 2 (#7) rocket into a 823km circular orbit with
an inclination of 98.8°. Ugatusat failed end of
2009. |
Sept
17th 2009 |
35
kg |
Ugatusat transmitted
CW on 435.264 MHz using the callsign RS-28. Enclosed
CW beacon signal was recorded on Sept. 27th
2009 at 19:00 UTC by Mike DK3WN. |
|
Tatyana-2
Tatiana-2
Universitetsky 2
RS-38
#35869
(2009-049E) |
Tatyana-2 is a small
(100kg) research and educational satellite built by
the Moscow State University (MGU). It has 3 scientific
mission objectives:
1.) to investigate light phenomena
in the Earth’s atmosphere due to the effect of galaxy
cosmic rays and high-energy charged particles
2.)
to investigate en-route radiation conditions
3.)
to investigate variations of the Earth’s gravitational
and magnetic fields.
Its reported downlink frequencies
are 435.440 MHz and 435.490 MHz for onboard systems
telemetry(DOKA) and 1.708 GHz for scientific telemetry.
Tatyana uses the callsign RS-38 for its CW transmissions
on 435.490 MHz. |
Sept
17th 2009 |
90
kg |
The CW downlink
of RS-38 on 435.490 MHz was recorded on December 30th
at 09:30 UTC by DD1US. The first part of the 5 min recording
was demodulated in CW mode, the last part in NFM mode. |
|
SwissCube
#35932
(2009-051B) |
SwissCube
is the first satellite entirely built in Switzerland.
This 10x10x10cm Cubesat was mainly built by more than
180 students from different universities under the supervision
of the Swiss Space Center EPFL in Lausanne. It was launched via the PSLV (Polar Satellite
Launch Vehicle) from Satish Dhawan Space Center in India.
It contains a Ham Radio downlink transmitting on 437.505
MHz using the callsign HB9EG/1. Enclosed CW beacon signal
was recorded on Sept. 25th
2009 at 11:06 UTC by Mike DK3WN. |
Sept
23rd 2009 |
1
kg |
Enclosed CW
beacon signal was recorded on Sept. 26th
2009 at 11:56 UTC by Mike DK3WN. |
Enclosed recording
of the 1200bd BPSK downlink signal was kindly provided
by Mike DK3WN. |
|
UWE-2
#35933
(2009-051C) |
UWE-2
is the second cubesat built by the University of Wuerzburg
in Germany. It was launched via the PSLV (Polar Satellite
Launch Vehicle) from Satish Dhawan Space Center in India.
The published downlink is 437.385 MHz
(FSK, 1k2 AFSK / 9k6 FSK AX.25) with a transmit power
of 0.5W. |
Sept
23rd 2009 |
1
kg |
Enclosed 1k2
AFSK packet radio downlink signal was recorded on Sept
25th 2009 at 12:44 UTC by Mike
DK3WN. Please note that the long pauses between the
packets were removed to reduce the file size. |
|
BeeSat
#35934
(2009-051D) |
BeeSat
is a 10x10x10cm Cubesat built by the University
of Berlin. It was launched via
the PSLV (Polar Satellite Launch Vehicle) from Satish
Dhawan Space Center in India. It contains a Ham Radio
downlink transmitting with 100mW output power on 436.0
MHz. Signals are either CW or 4k8/9k6 GMSK telemetry
both using the callsign DP0BEE. |
Sept
23rd 2009 |
1
kg |
Enclosed signal
was recorded on Oct. 21st 2009
by Mike DK3WN. |
Enclosed CW
beacon signal was recorded on Oct. 21st
2009 by Mike DK3WN. |
|
ITUpSat1
#35935
(2009-051E) |
ITUpSAT1
is the first cubesat / picosat built by Technical University
Istambul in Turkey. It was launched via the PSLV (Polar
Satellite Launch Vehicle) from Satish Dhawan Space Center
in India. Enclosed CW signal from ITUpSat
was received on 437.325 MHz by Mike DK3WN. |
Sept 23rd
2009 |
1 kg |
Picture |
Object name
#NORAD |
Remarks |
Launch
Date |
Weight |
