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TMSAT Status



During the morning passes over Surrey today the secondary OBC386 flight
computer software was loaded.  This software will be tested out over the
next few weeks and modifications made as required.  Once we are happy that
it is performing correctly, the OBC186 will be switched off and the OBC386
will be made the primary OBC.
The OBC386 has a number of advantages over the 186 appart from processing
power.  It has 128MB of data storage available for storing images compared
to the 186's 16MB.  Also, two uplinks are available on the 386 and this
should help reduce uplink congestion.
Stations are asked not to transmit to TMSAT when the secondary OBC is
operating on the downlink.  As stations will observe, the secondary OBC uses
the callsign TMSATS and this callsign should not be programmed into WiSP or
PB as this may slow down the software testing.


Chris Jackson
Groundstation and Operations Manager
Surrey Satellite Technology Ltd
University of Surrey
Guildford, Surrey GU2 5HX,  UK 
Ph: +44 1483 259-141
Fax: +44 1483 259-503
http://www.ee.surrey.ac.uk/EE/CSER/UOSAT/
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