[OSM-talk] Watch out if mapping in Florida, Georgia...

simon at mungewell.org simon at mungewell.org
Fri Jan 21 18:13:37 GMT 2011


> Doesn't some of the surveyor gear try to lock onto the frequency to
> improve accuracy, even if they can't decrypt the signal?

Yes although P-Code is encrypted, it is usable in some form to improve
positional accuracy with some civilian receivers.

http://en.wikipedia.org/wiki/GPS_signals

>
> 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.
Simon





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