[amsat-bb] RS-22 telemetry
David Giles
vk5dg at amsat.org
Mon Dec 21 16:57:49 PST 2009
Hello All,
Just heard RS-22's CW telemetry for 2009/12/22 00:30 UTC.
RS22
UBS - 139 137 on board voltage/10v
IBS - 20 20 on board current mA
USUN - 146 0 solar cell voltage
ISUN - 78 0 solar cell current mA
ITXA - 0 0
ITXB - 0 0
TTXA - 111 111
TTXB - 109 109
TNAP - 110 110
TCTR - 110 110
TSBA - 107 108
TSBB 88 104 125
MODB 145 145 145
MODC 6 6 6
MTX 35 35 -
MRX 34 34 -
Using details from Mike DK3WN's site to crunch the data, I come up with
the following.
USUN and ISUN give the the solar panel outputs as producing 14.6v at
78mA working during one frame and nothing during the next.
I suppose this indicates a faulty solar panel. The satellite was in
full sunlight during the pass.
More monitoring needed.
73 de David VK5DG
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