Wednesday, April 11, 2007
Let’s step into the world of aviation for a moment, shall we?
The move in recent years has been to transition to GPS and scrap ground-based systems like VORs and LORAN. GPS is more accurate and cost effective. But recent solar activity has put a temporary halt on total GPS reliance:
Scientists at last month’s Space Weather Enterprise Forum in
said one of them “produced 20,000 times more radio emissions than the entire rest of the sun, enough to swamp GPS receivers over the entire sunlit side of Earth.” Unusually, even the more robust WAAS signals were affected. Loran advocates have long proposed the system as a necessary backup during GPS outages. Washington, D.C.
This is interesting for another reason.
Keeping a ground-based system is an excellent idea. Radical Islam is indeed the enemy of today, but