Maybe, but what happens if the GPS in a large metropolitan area that is overflown by a mix including General Aviation goes wonky? LA comes to mind because there is a lot of north-south traffic directly over LAX.
-John =============== > The one the counts ARE! ;) > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of Magnus Danielson > Sent: Sunday, November 15, 2009 7:03 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] The Demise of LORAN (was Re: Reference oscillator > accuracy) > > Francesco Ledda wrote: >> Considering that the GPS antenna in aircrafts is mounted on top of > fuselage, >> and that its radiation pattern is upward, it seems that a ground jammer > will >> have an uphill battle. > > Not all GPS receivers is sitting on flying airplanes. Far from it. > > Cheers, > Magnus > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > > E-mail message checked by Spyware Doctor (6.0.0.386) > Database version: 5.13700 > http://www.pctools.com/en/spyware-doctor-antivirus/ > > > > > > E-mail message checked by Spyware Doctor (6.0.0.386) > Database version: 5.13700 > http://www.pctools.com/en/spyware-doctor-antivirus/ > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.