[amsat-bb] Re: PCSAT-1 (no-44) In Fine Form!
jason at jason.white.name
Tue Jan 9 13:37:48 PST 2007
What is the expected orbital life span of PCSAT-1 or 2? I know you had
mentioned that ANDE and FCAL had about a year, and less for RAFT and
I'm not savy enough to calculate such things from the TLE (or to know if
that's even possible, except perhaps that a lower orbit means more
Robert Bruninga wrote:
> Its easy. Just look for when the orbit of PCSAT-1, (NO-44) is
> over the Dawn/Dusk terminator. This means it is flying in 24
> hour sun. This occurs for a week to 2 weeks about every 2
> months or so. BUT we can only recover it when this occurs AND
> the sun is in the southern Hemisphere. Thus, only in the fall,
> winter and spring. Next one I think is in early march.
> Once it is "recovered" even if it is only in full sun for a
> week, once it is recovered it will continue to operate even back
> into maximum eclipses as long as it does not get a RESET. When
> it resets, it returns to negative power budget and we are lost
> until the next full sun period. Though it is still useable
> everyday if you are lucky only near midday passes when it is in
> the sun.
> Bob, Wb4APR
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