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Originally posted by getreadyalready
reply to post by 4nsicphd
Well, since there are only three measurements, it doesn't define spherical or conical, but I think you are right. I was first assuming a space based interruption with a spherical diameter, but looking into it further, it seems like a ground based (ship based) interuption with a conical area it effects.
You are correct there are not two GPS systems, but the systems in vehicles might be less effected, because whatever is jamming the aircraft won't have line of sight on the ground.
Originally posted by CitizenAlpha
Dont Panic! Wow thats when you do panic Owell 10 bucks says somthing major happens between Jan20th and Feb 22nd.
Originally posted by Human_Alien
FAA warns of ongoing GPS issues in southeastern US due to Defense Department 'tests'
www.engadget.com
(visit the link for the full news article)
Don't panic, but anyone planning on using GPS in the southeastern US for the next month or so will likely want to make sure they have a fallback option. That's according to a flight advisory just issued by the FAA, which warns pilots that their GPS signal "may be unreliable or unavailable" due to "GPS tests" that the Department of Defense will be conducting between January 20th and February 22nd. Details are fairly light beyond that, but the FAA does note that when the "tests" occur they will be active for 45 minutes, and be followed by 15 minutes of off time -- additional notices to p
Originally posted by Chadwickus
Well how about reading the Flight advisory directly?
It will only effect planes equipped with GPS for navigtion, nothing else.
www.faasafety.gov...
Originally posted by primus2012
As far as air-travel goes, I'm sure all will be fine because they can still use RADAR. They probably don't use GPS solely yet anyway, tho that is speculation on my part.