On Wed, Feb 8, 2012 at 11:02 PM, Hal Murray <[email protected]> wrote: > >> Other than LightSquared, an event that made GPS go away would most likely >> eliminate most interest in ultra accuracy time keeping. >
By "went away", I meant locally, as be being jammed or spoofed. Possibly a car drives into a tunnel and then from the car's point of view GPS "goes away". >From a military point of view all it takes to knock out GPS is to suicide truck-bomb both ground control stations or simply jam the GPS uplinks so the stations are unable to send commands. But The question was more theoretical then practical. > But this is time nuts. > > I think it's interesting to consider where we might get a second source of > time or frequency frequency. How good is it? What does it cost? How much > can amateurs do? > > Maybe something will work where GPS doesn't. > > I was going to try GPS in a big machine room but we didn't get that far. It > didn't work in the adjoining office complex. I assume there was too much > metal in the building. but EMI from all the local PCs probably didn't help > much. > > > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
