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GBPPR Vision #26: Overview of the NSA's TAWDRYYARD Radar Retro-Reflector

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Published on Apr 28, 2014

General overview of the NSA's TAWDRYYARD tracking beacon radar retro-reflector and the AM backscatter principle.

http://blockyourid.com/~gbpprorg/mil/...

http://www.qsl.net/n9zia/vision

GBPPR Vision #25: Overview of the NSA's CTX4000/PHOTOANGLO Radar Units
https://www.youtube.com/watch?v=rPQmI...

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