🚀 go-pugleaf

Marc N. Barrett (barrett@iastate.edu) wrote:
> In article <1992Dec30.223543.23648@news.arc.nasa.gov> baalke@kelvin.jpl.nasa.gov (Ron Baalke) writes:
> >     Yesterday, December 29, after approximately 20 hours of
> >warming in sunlight, the antenna-deploy motors were turned on to
> >"wind up" the system and then pulsed to "hammer" it in an effort
> >to free the stuck ribs of Galileo's high-gain antenna.  The
> >procedures began at 6:55 a.m. PST and continued until 2:48 a.m.
> >PST this morning, December 30.  A total of 2160 pulses were
> >executed by the motors during this period.  The stuck ribs were
> >apparently not freed.  This morning the spacecraft was returned
> >from the warming attitude to the normal cruise mode.
> 
>    Well, what now?  What else is being planned to free the antenna?  And is
> it expected to work?
> 
According to the calendar released here recently, there are at least two 
more hammering episodes scheduled.  After that it's plan B: use the LG 
antenna, data compression and other techniques to do as much of the mission
as possible.

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||Dave Jones (dj@ekcolor.ssd.kodak.com)|Eastman Kodak Co. Rochester, NY  |