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Re: TiungSat Status



Great job you guys have done, Chris.  Very, very smooth.

Question:  Doesn't TiungSat have an FM bent pipe mode for voice?  Will that
trade time with the BBS or will both be active?

73,

Jon
NA9D

on 10/11/00 9:16 PM, Chris Jackson at C.Jackson@ee.surrey.ac.uk wrote:

> Last evening the gravity gradient boom on TiungSat was deployed over
> Malaysia.  The satellite is now operating in the standard UoSAT BBQ mode
> with a Z spin of 0.6 degrees per second.  The delibration controller is
> damping the libration angles and the full attitude control task will be
> loaded in a few days.
> 
> All systems have now been tested and the spacecraft is 100% healthy.  There
> are a few more tasks to complete before the spacecraft will be opened to
> amateur traffic which is expected to be around the end of this month.
> 
> When the satellite is opened for use, this will (probably) initially be at a
> downlink rate of 9600bd.  However, this will probably only run for a few
> weeks before we use 38k4.  Due to power constraints when operating the high
> power transmitter, the same system as used on UO-36 will be employed to only
> switch the transmitter on when requested from an amateur station.  Note that
> the orbit is similar to Uo-36 and as such sees the same periodic power
> fluctuations.  I don't expect that this will cause the same sort of
> 'unavailability' as on UO-36 though since the basic power budget for
> TiungSat is less.
> 
> 73,
> Chris G7UPN / ZL2TPO
> Groundstation Manager
> UoSAT
> (Commissioning manager - TiungSat)
> 
> 
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-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)

Member:  ARRL, AMSAT, DXCC, NRA

http://www.qsl.net/ke9na

"A life lived in fear is a life half lived."

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