India MicroSat ANUSAT
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
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RISAT-2 ISRO 300kg
ANUSAT Anna University 50kg V/U
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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.wav
ANUSAT 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
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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