Hello,
Or it could be that they are testing their new satellites. The US has been
working on deploying new generations of GPS satellites. Previously, you
could get interesting ephemerides data from the satellite that was within 2
hours. Sometimes you could see 4 hours and now we have observed 6 ho
At 2011-01-21 08:15, SteveC wrote:
GPS might not work;
http://www.theregister.co.uk/2011/01/20/unavailabe_gps_warning/
Looks like this one extends as far north as SC, too.
See other scheduled tests (in CA, FL, LA) here:
http://www.navcen.uscg.gov/pdf/gps/gpsnotices/GPS_Interference.pdf
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On 21 January 2011 19:18, John Smith wrote:
> On 22 January 2011 04:13, wrote:
>>> Also if you know where the source of the jamming is coming from would
>>> it be possible to use that information to over come some of the
>>> degradation?
>>
>> Nope, not if the jamming is any good.
>
> Maybe they
At a guess, they are probably testing how well the system would work for the
military if the signals were encrypted, as they probably would be in the event
a terrorist group or foreign military were thought to be about to launch an
attack using GPS-guided weapons.
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