The new MicroSat of India was launched on 20 Apr 2009. Launch : 20 Apr 2009 Vehicle: PSLV-CA Site : Sr SLP Main Payload: RISAT-2 Satellite India Operator Mass Mode --------- --------------- ----- ---- RISAT-2 ISRO 300kg ANUSAT Anna University 50kg V/U --------- --------------- ----- ---- RISAT-2 (Radar Imaging Satellite 2) ANUSAT (Anna University Microsatellite) Telecommand : VHF(PCM/FSK/AM), 100 bits/sec, 149.2 MHz Telemetry : VHF(PCM/FSK/AM), 256 bits/sec, 137.4 MHz Store and Forward : VHF 145.8 MHz Uplink UHF 435.0 MHz Downlink ANUSAT 1 34808U 09019B 09113.18398593 -.00000289 00000-0 00000+0 0 127 2 34808 041.2102 148.9969 0109770 026.6096 083.2692 15.29388015 488 http://www.isro.org/pressrelease/Apr20_2009.htm http://www.annauniv.edu/anusatspecs.pdf http://beswaminathan.googlepages.com/Anusat.pdf http://bsidharth1205.googlepages.com/research ANUSAT received! I heard and saved ANUSAT carrier wave (2.8MB). This is a very very weak signal with a doppler. ANUSAT, 13:00-13:11UTC 24 Apr 2009, Mel 57, 137.400MHz, 2.8MB http://www.ne.jp/asahi/hamradio/je9pel/90424anu.wavANUSAT received system Antenna : APT-2CP (Hamtronics) Receiver : R139 (Hamtronics) Preamplifier: WP-3 (GAREX) Channel 1, 137.100 MHz Channel 2, 137.400 MHz Channel 3, 137.500 MHz Channel 4, 137.620 MHz Channel 5, 137.9125MHz
137-138MHz preamplifier
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http://www.ne.jp/asahi/hamradio/je9pel/noaapice.htm ANUSAT spectrogram ANUSAT, 2200UTC 25/04/2009, 11 deg pass, captured by DK3WN very strong and no modulation carrier at 137.400MHz
How to set Display Width in Spectrogram Ver16.0 (1) Preferences - Analysis Controls - Manual Controls (2) Function - F1 Scan Input (3) Scroll Display Width (ex. 5 min) - OK (4) Function - F7 Spectrum Color Scale (5) Spectrum Level Min (ex. -40dB) http://www.visualizationsoftware.com/gram.html ANUSAT, 08:53-09:04UTC 09May2009, Mel 29deg, 137.400MHz, captured by JE9PEL
Spectrogram settings
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