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Decoding Orbcomm satellites with MULTIPSK
MultiPSK is a signals decoding program with many available decoders to choose from. It is also able to directly connect to the RTL-SDR, or be used via a virtual audio cable. The latest version now allows for decoding of Orbcomm satellites which transmit at around 137 MHz. While it is not possible to decode the encrypted messages, it is still possible to decode pieces of telemetry data from the satellites.
This system has been developed by the ORBCOMM society which disposes of a constellation of about 28 active LEO (“Low Earth Orbit”) satellites, transmitting between 137.2 and 137.8 MHz (+/- 2.5 KHz maximum of Doppler shift).
This system permits:
This mode is available for licencied copies, only (otherwise, the decoding is stopped after 5 minutes).
- to handle messages (encrypted) from ground users
(ships, trucks, oil wells…) until other ground users, through the ORBCOMM satellites, the cover being worldwide. These frames are decoded by Multipsk but not deciphered.- to broadcast identification, frequencies, position and orbital elements pieces of information, not encrypted. These frames are decoded and interpreted by Multipsk.
Decoding Orbcomm satellites with MULTIPSK
PSAT-1 1200 AFSK Telemetry
20161031130541 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014706,0z001
20161031130521 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#426,819,072,903,881,775,00011100
20161031130404 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014705,0z001
20161031130318 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#424,821,072,901,875,772,00011100
20161031130227 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014704,0z001
20161031130218 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#423,823,070,900,873,771,00011100
20161031130049 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014703,0z001
20161031130015 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#421,825,069,896,866,770,00011100
20161031125914 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014702,0z001
20161031125814 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#419,827,069,892,858,768,00011100
20161031125741 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014701,0z001
20161031125615 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#014700,0z001
20161031125613 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:new OLO=316
20161031125612 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#417,831,069,885,848,767,00011100
PSAT Telemetry Decoder
PSAT-1 Telemetry over Indonesia
20161029140218 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#012757,0z001
20161029140043 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#012756,0z001
20161029140026 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#643,816,087,908,891,787,00011100
20161029135925 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#642,819,070,906,890,786,00011100
20161029135907 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#012755,0z001
20161029135824 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#641,820,069,905,887,785,00011100
20161029135730 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#012754,0z001
20161029135723 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#640,821,070,903,886,783,00011100
20161029135623 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#639,822,070,900,883,782,00011100
20161029135555 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#012753,0z001
20161029135528 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#638,823,072,897,881,781,00011100
20161029135424 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#637,825,084,894,878,780,00011100
20161029135222 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#635,827,087,886,871,779,00011100
PSAT-1 Telemetry over Indonesia
20161027030645 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#010344,0z001
20161027030558 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#161,865,076,862,637,832,00011100
20161027030506 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#010343,0z001
20161027030457 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#160,890,071,873,638,833,00011100
20161027030356 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#159,862,072,885,638,834,00011100
20161027030333 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#010342,0z001
20161027030255 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#158,863,074,891,644,835,00011100
20161027030159 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#010341,0z001
20161027030155 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#157,873,073,898,643,836,00011100
20161027012546 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#010275,0z001
20161027012529 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#062,875,097,818,747,841,00011100
20161027012428 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:T#061,855,091,818,755,842,00011100
20161027012414 : PSAT-1]APOFF,ARISS,qAR,YC3BVG:s#010274,0z001
Battery Volt chart of PSAT-1
IO-86 LAPAN A2/ORARI FM Transponder 15:08 UTC 25 October 2016
IO-86 LAPAN A2/ORARI FM Transponder Downlink is 435.880 MHz , Uplink 145.880 MHz PL 88.5
Audio Record IO-86 LAPAN A2/ORARI FM Transponder
Click PLAY button at TOP Right to play
Check this out on Chirbit
IO-86 LAPAN A2 signal
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