[time-nuts] Using digital broadcast TV for timing?
albertson.chris at gmail.com
Thu Feb 9 18:21:38 UTC 2012
On Wed, Feb 8, 2012 at 11:02 PM, Hal Murray <hmurray at megapathdsl.net> 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
> These are my opinions, not necessarily my employer's. I hate spam.
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Redondo Beach, California
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