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High-power DBS and lessons learned for defense applications

The introduction and evolution of direct broadcast television in the United States is reviewed from both a technology and operations viewpoint. General conclusions are given on the relevance of this experience to the DOD's planned Global Broadcast Service (GBS), such as being implemented on the UHF follow-on program. The conclusions suggest concentration on core terminal modules which can be mass produced and on operational concepts emphasizing multiple continuous pipes from data source to data user.