Complementary and Backup Systems
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DHS Looking for GPS Complementary and Backup Systems
DHS Request for Information
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UK Government Supporting eLoran
Dag Pike
Maritime Journal
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"Holistic Thinking Such As eLoran Needed to Protect Space Assets"
Testimony at National Space Council
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Signals of Opportunity - Holy Grail or Waste of Time?
Michael Jones
GPS World
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FCC Must Act to Avoid a Grave Threat to GPS
Brad Parkinson, James Geringer, and Thad Allen
The Hill
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When Everything is Critical, Nothing Is
Lt.Gen. Shea
AFCEA
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Aerospace Corp. Warns of Terrestrial Interference with Critical Satellite Services
Debra Werner
Space News
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