Haven't they perfected perpetual motion yet ?
----- Original Message ----- From: "Alan P. Biddle" APBIDDLE@UNITED.NET To: "AMSAT-BB" amsat-bb@amsat.org Sent: Thursday, November 05, 2009 10:40 PM Subject: [amsat-bb] YouTube on satellite power management
There is a very interesting video on management of a satellite so as not to waste energy transmitting "to whales and penguins." Not new, but a good discussion of the concept and implementation.
http://www.southgatearc.org/news/november2009/satellite_power_saving.htm
Alan WA4SCA
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