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To: Boplicity who wrote (3936)	1/7/1999 12:14:00 PM
From: RocketMan	Read Replies (1) \| Respond to of 29970

<OT>You will never get an uplink from a dish to a geostationary satellite, not as an average user. The bandwidth just is not there to provide both up and downlinks to the relatively few satellites that provide service from those orbits. What Gates is trying to do with Teledesic is provide service with a dense low-earth constellation, sort of a cellular system in the sky. I am not a fan of Teledesic for a lot of reasons, including replenishment, Tracking, Telemetry, and Control (TT&C), and power/bandwidth problems, all of which translate to $$. Of course, these days Gates doesn't worry much about $$ so maybe he can subsidise the system for us. One system I do like is Orbcomm's message-based comm service. The Magellan GSC100 combines GPS and IP email service through a constellation of low earth orbit satellites similar to what Teledesic has in mind, but much simpler and cheaper. The KISS principle is a good principle in space operations.