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Satellite Launches and Birthdays

posted Jul 14, 2012, 7:43 AM by Doug Sinclair
Congratulations to JAXA on the launch and commissioning of the SDS-4 microsatellite.  This spacecraft is an important Rosetta Stone for us, in that it carries both a Sinclair Interplanetary SS-411 sun sensor and a star tracker (from another vendor).  This allows us for the first time to make very high accuracy measurements of the sun sensor performance on-orbit.  Early indications are very good.

July 12 is also the second birthday of AISSAT-1.  This nanosatellite carries three RW-0.03 wheels, which continue to keep it pointed in the right direction.
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