Fix Needed For GPS IIF Nuke Detection System

By Amy Butler

The first Boeing-built GPS IIF satellite in orbit will require software fixes to reduce “degradation” in the crosslinks for its nuclear blast detection payload, says Lt. Gen. Tom Sheridan, Air Force program executive officer for space.

GPS IIF was launched in mid-May, and it has passed its navigation systems testing, Sheridan told reporters Sept. 1 during a teleconference at the American Institute of ...

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