hmmm it's a good thing the government is moving completely to GPS with NexGen, what could go wrong?
I don't know what you guys are talking about. GPS is completely reliable. Unless you happen to be anywhere near New Mexico...
******** Navigation NOTAMs ********
!GPS 02/038 ZHU NAV GPS IS UNRELIABLE AND MAY BE UNAVAILABLE WITHIN
A
427 NM RADIUS OF 330742N/1061943W, THE BWS VOR 319.34 DEGREE RADIAL
AT 24.33 NM AT FL400 DECREASING IN AREA WITH DECREASE IN ALTITUDE
TO 371 NM RADIUS AT FL250, 295 NM RADIUS AT 10000 FT MSL, AND
292 NM RADIUS AT 4000 FT AGL. THE IMPACT AREA ALSO EXTENDS INTO
THE MEXICAN FIR WEF 1002200200-1002201200
!AUS 10/070 CWK NAV VOR UNUSBL 124-175 BYD 10 BLW 6000