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P3-D: Last function test performed on spacecraft bus




AMSAT P3-D: Last function test performed on spacecraft bus

A major milestone was reached on 13 June 1999 with the successful test
firing of the pyros to deploy the Solar Panels and testing of the
control electronics for the 400N propulsion system. Rick Leon KA1RHL,
who build the Array Release Unit (ARU) and Liquid Ignition Unit (LIU)
electronics, observed the performance of the systems, while Peter Gülzow
DB2OS programmed the spacecraft computer using the ground command
station to fire the pyros. The Deployment mechanism, build by Bob Davis
KF4KSS worked flawless and the Solar Panel was pushed open by the
springs, when the pyro cut the Kevlar wire which holds the panel in
place during the launch. The next milestone is the "rollout" to test
all transmitters and receivers with the spacecraft antennas in flight 
configuration.

The P3D Team
Lou McFadin W5DID
P3D Integration Manager

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