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The FAA is marching toward sole dependence on GPS.
The FAA is marching toward sole dependence on GPS. The FAA
engineers and controllers are screaming from the mountaintops PLEASE do not single thread North American airspace navigation on satellite only. Yes GPS is awesome. Yes GPS has and will change our lives. But the signal is small and vulnerable. From an infrastructure perspective all you have to do is jam the down link. IF we were GPS only in North American Air Traffic control the Chinese or sophisticated internal terrorism could shut down the system. High Power GPS jammers energized at coordinated locations near big cities. Mobile jammers in vans. GPS jammers and Spoofers on balloons launched up wind from major cities. We would come to our knees. It would take days to sort out the jammer locations while our entire economy is crippled. GPS can be PRIMARY But!!!!!!!!!!!!!! we should have a secondary Robust ground network for Navigation and Communication of aircraft, military, trucks and ships and trains and people. Use an integrated GPS/VOR/DME/LORAN concept. All GPS receivers sold after 2010 everywhere should be capable of picking up all four systems. FOUR separate frequencies for more spectrum jamming difficulty. Keep ILS at major airports. |
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