Sounds from Amateur Radio Satellites 2023-today

This section is dedicated to satellites built and operated by Radio Amateurs. Satellites built by AMSAT organizations around the world and were called AMSAT-OSCAR. Those built by Russian Hams and were mostly called Radiosputnik. In order to build and launch the satellites AMSAT needs members and friends to contribute and raise funds. If you are not yet a member of AMSAT please consider to join us and to support the activities. You can find several links to AMSAT on my links page.

My special thanks to Roy W0SL, Jim N4ST, Don KD4APP, Darrel AA7FV, Jim N5JDB, Clive G3CWV, Mike DK3WN, Reinhard DJ1KM +, Michael DG1CMZ, Oliver DG6BCE, Peter DF2JB, Volker DF7IT, Jean-Louis F6AGR, Thomas HB9SKA, Christoph HB9HAL, Claudio IK1SLD, Andreas OE1DMB, Michael PA3BHF, Henk PA3GUO, Darek SP9TTX, Ricardo PY3VHQ, Keith ZS6TW, Don N4UJW, Vladimir RA3DQT, Paulo CT1ETE, John KD2BD, Harald DH8HHA, Maik Hermenau, Ian ZL1AOX, Gerd DL8DR, Michael OH2AUE, Robert G8ATE, Wouter Jan Ubbels PE4WJ, Mark KF6KYI, Al W8KHP, Drew KO4MA, Rolf DK2ZF, Dave WB6LLO, Graham G3VZV, Joe K0VTY, Nils von Storch, Zeljko 9A2EY, Pierre ZS6BB, Bent OZ6BL, Mariano CT1XI, Al GM1SXX, Luc LU1FAM, Matt SQ7DQX, Lance K6GSJ, Chris VK3AML, Bob VE6BLD, Sergej RV3DR, Alex VK5ALX, Rudolf ZS6FX, Dick Daniels W4PUJ/SK , Bob Patterson K5DZE, Jean-Louis Rault F6AGR, Ivano Bonesana, Patrick Hajagos, Luc Leblanc VE2DWE, Mike N1JEZ, John K6YK, Tetsu-san JA0CAW, Marco Bauer, Carl Lindberg SM6NZV, Philip G0ISW, Kuge-san JE1CVL, Pat AA6EG, John M0UKD, Paul Marsh M0EYT, Federico Manzini, Jan PE0SAT, Domenico I8CVS +, Roland Zurmely PY4ZBZ, Rob Hardenberg PE1ITR, Michael Kirkhart KD8QBA, Davide D'Aliesio IW0HLG, Francisco EA7ADI, Kubota-san, Noguchi-san JA5BLZ, Kuge-san JE1CVL, Luciano PY5LF, Wakita-san JE9PEL, Peter ON4EZJ, Enrico IW2AGJ, Jean-Pierre F5YG, Remco PA3FYM, Dave G0CER, Jose Maria EA2JX, Viljo ES5PC, Charly DK3ZL, Bernd DL6IAN, Gustavo LW2DTZ, Juergen DL8SDQ, Gary ZS6YI, Wilhelm DL6DCA, Bence Szabo, Alex KR1ST, Branko 9A3ST, Daniel DL7NDR, Michael Hoerenberg and Igor PU4ELT for kindly contributing to this collection !

Picture

Satellite
#NORAD

Description

Launch Date

SO-120
Spain-OSCAR 120
URESAT-1
HADES-B
HADES-2

 #56992
(2023-084bu)

URESAT-1 is a 1.5P PocketQube (8x5x5 cm) picosatellite developed by AMSAT EA. HADES-B was launched with SpaceX on June 12^th 2023 (Transporter-8 mission from Vanderberg).

The satellite was expelled from the D-Orbit Orbital Transfer Vehicle (OTV) ION ten days after the launch, on June 22^nd at 12.10 UTC, along with MRC-100 and ROM-2 satellites. Unfortunately the satellte had a problem with the deployment of the antennas and thus only stations ith larger antennas were able to receive its downlink (telemetry, CW and SSTV).

It is a mission which offers radio-amateurs around the world the opportunity to relay FM voice and AX.25 / APRS 300/1200 bps communications. This is achieved by implementing a SDR based FM and FSK repeater. A SSTV camera module by Brno University is expected to fly depending on time restrictions. Images would be taken in a random way. The SSTV module would contain some ROM coded images to be transmitted as well. URESAT hardware and software subsystems are enhanced ones of the previous AMSAT-EA HADES.

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Jun 12^th 2023

SO-121
Spain-OSCAR 121
HADES-D

 #58567
(2023-174cy)

HADES-D was launched into space on the SpaceX TR-9 mission dated November 11, remaining in orbit inside the orbital transfer vehicle (OTV) ION-SCV-013 from D-ORBIT until the 18^th when said 'mother satellite' ejected it, at 7:53 UTC.

The repeater works with FM/FSK (MSK144 has been tested too) with an uplink frequency of 145.875 MHz and a downlink frequency of 436.6635 MHz (a bit lower than the 436.666 MHz expected). We have been able to verify that the modulation is more appropriate by narrowing the bandwidth, so it is recommended to use NFM in those devices allowing it.

HADES-D is the first satellite with FM repeater service mounted on a pocketqube platform. This standard is the smallest in terms of normalized satellite sizes. HADES-D size is 8x5x5 cm. Its panel surface and battery size are much smaller than the rest of the satellite repeaters in use, so HADES-D is not comparable to most of them either in radiated power or signal strength. HADES-D should be considered a QRP satellite.

Nov 11^th 2023

On November 28^th 2023 at 21:14 UTC Daniel DL7NDR received on 436.666 MHz the voice beacon. Recording kindly provided by Daniel DL7NDR.

On November 29^th 2023 around 10:15 UTC Daniel DL7NDR received on 436.666 MHz the FSK50 beacon. Recording kindly provided by Daniel DL7NDR.

On December 3^rd 2023 around 10:55 UTC Daniel DL7NDR received on 436.666 MHz the FSK50 beacon. Recording kindly provided by Daniel DL7NDR.

On January 7^th 2024 around 09:35 UTC Daniel DL7NDR received on 436.666 MHz the FSK50 beacon. Recording kindly provided by Daniel DL7NDR.

On August 23^rd 2024 at 10:52 UTC Daniel DL7NDR received on 436.666 MHz the CW beacon. Recording kindly provided by Daniel DL7NDR.

Igor PU4ELT received the CW beacon of SO-121 on September 12^th 2024 at 13:29UTC. Recording kindly provided by Igor PU4ELT.

On May 14^th 2024 at 13:36 UTC Igor PU4ELT made a successful 2-way FM contact via SO-121 with PU5UEL.

SONATE-2
DP0SNX
#59112
(2024-043Q)

The SONATE-2 mission will verify novel AI hardware and software technologies in miniaturized format in LEO. The satellite will be able to analyze the environment autonomously with its multiple sensors in visible and near infrared spectrum and train its neural networks in space to detect anomalies.

During passes over the ground stations in Germany the telemetry downlink will be activated. Frequency: 437.025 MHz, Modulation: 9k6 G3RUH GMSK (F1D), Protocol: AX.25

The CW Beacon is only sporadically used. Mainly during LEOP for launch object identification. If activated, a beacon with the callsign of the satellite DP0SNX is transmitted at regular intervals as CW Morse code. Frequency: 145.840 MHz, Modulation: Morse code CW (A1A), Interval: 30 sec

The APRS digipeater on SONATE-2 operates in half-duplex operation. The digipeater is only active when published below. When activated, it will transmit a greeting message every 2 minutes. Make sure to include SONATE-2's callsign DP0SNX in the APRS route. Frequency: 145.825 MHz Up/Down, Modulation: 1k2 AFSK (F2D), Protocol: AX.25, TX Power: 500mW

Regular downlinks of SSTV images captured by SONATE-2's on-board cameras are planned. The SSTV downlinks are only active during the times when published below. Only a single images is transmitted at the specified timestamps (all in UTC). Frequency: 145.880 MHz, Modulation: Martin M1 SSTV FM (F3F), TX Power: 500mW

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March 4^th 2024

MO-122
MESAT-OSCAR-122
MESAT-1
Maine Satellite 1
#60209
(2024-125G)

On July 4^th 2024 at 04:04 UTC, the MESAT 1 satellite was launched on a Firefly Alpha launch vehicle from Vandenberg Space Force Base in California. Developed by the University of Maine, the 3U Cubesate carries an earth imaging experiment and an AMSAT-provided LTM-1 linear transponder to provide services to amateur radio enthusiasts around the world. The spacecraft also carries an L-band BPSK GlobalStar transmitter with a carrier frequency of 1616.25 MHz. This will be used along with the onboard GPS receiver, to provide early mission TLEs.

The frequencies of MESAT-1 are:

Transponder:
Uplink        145.910-145.940 MHz
Downlink    435.810-435.840 MHz

Beacon:
435.800 MHz    1200bd BPSK

The satellite has been commissioned and the transponder is currently active.

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July 4^th 2024

CosmoGirl-Sat
Emma
JS1YOI
#60953
(1998-067WT)

CosmoGirl-Sat (JS1YOI) is a cubesat 1U from the Cosmo Women’s Amateur Radio Club in Japan. It was brought to the ISS on SpaceX's CRS NG-21 mission on August 4^th 2024 and was released from the ISS on August 29^th 2024 at 09:45UTC along with 3 other satellites including the Sakura (Grees 03).

CosmoGirl-Sat transmits on the following frequencies:
473.120 MHz CW + GMSK 4k8 AX.25
145.825 MHz APRS digipeater AFSK 1k2

Aug. 29^th 2024

Igor PU4ELT received the CW signal of CosmoGirl-Sat on August 29^th 2024 at 14:36UTC, only 5 hours after its release from the ISS.

SAKURA
Grees 03
Gardens 03
#60954
(1998-067WU)

SAKURA is a 1U cubesat built by the Chiba Institute of Technology, a university in Narashino, Japan. The satellite carries two cameras designed to monitor sunspots and solar flares, as well as to assess environmental damage on earth. It also includes Amateur Radio transmitters on 145.825 MHz and 437.375 MHz. The modes include an 1200bd APRS digipeater on VHF and a 4800bps GMSK as well as CW beacon on UHF.

Aug. 29^th 2024

Igor PU4ELT received the CW signal of SAKURA using the callsign JS1MYM on August 29^th 2024 at 14:36UTC, only 5 hours after its release from the ISS.

On August 30^th 2022 at 04:05 UTC Daniel DL7NDR received on 437.375 MHz the CW beacon. Recording kindly provided by Daniel DL7NDR.

On August 30^th 2022 at 04:09 UTC Daniel DL7NDR received and decoded on 437.375 MHz the CW beacon. Recording kindly provided by Daniel DL7NDR.

AO-123
ASRTU-OSCAR 123
ASRTU-1
Druzhba ATURK
RS64S
#99130
(2024-099A)

ASRTU-1 was launched on November 4^th 2024 at 23:18 UTC, on a Soyuz launch vehicle from Vostochny Cosmodrome, Russia. The 12U satellite was built and is operated by Harbin Institute of Technology and Amur State University in China. It carries a V/U repeater, UHF SSDV digital image transmitter, and a 10.5 GHz QPSK image transmitter. All of these payloads have been successfully tested, and the repeater has been operational for QSOs. It uses the callsign BJ2CR.

The satellite contains an FM transponder, which is currently operational, with an uplink of 145.850 MHz (67 Hz CTCSS tone required) and a downlink of 435.400 MHz. After the repeater detects the end of uplink, it will wait for 0.5s. If no new uplink in 0.5s, telemetry will be sent. So make fast QSOs so the telemetry is less like to interrupt you.

The satellite also contains two cameras with an SSDV downlink for low resolution images on 436.210 MHz, and a high speed downlink on 10.460 GHz for high resolution images.

I am searching for sound files. Please send them to
 

Nov. 4^th 2024

Picture

Satellite
#NORAD

Description

Launch Date

If you have further recordings from space objects please let me know. I will be happy to add them to my homepage. Many thanks in advance.

Vy 55 & 73 de Matthias DD1US