On Fri, Jul 4, 2014 at 5:27 PM, Hal Murray <[email protected]> wrote:
> > [email protected] said: > > The key to these systems is that the transmitters have very good > references. > > In the US at least we have no requirement for that level of stability on > the > > MW broadcasts. Though evidently some stations are quite good. I think I > have > > a list some place have to re-look. > > How stable are they? Could they provide a good regional reference if > somebody with a good setup would measure several stations and publish the > results? How often would you have to measure? > > How do you measure the frequency of an AM or FM station? Wait for silence > and process it like CW? > > Any suggestions for a receiver (or whatever) that would be appropriate for > that sort of project? I assume the main requirements are an external freq > in > and a serial/USB port to adjust the knobs. > You might want to go talk to the FMT guys as they do testing against some of the MW stations and know which ones have high-accuracy references. -- Brian Lloyd Lloyd Aviation 706 Flightline Drive Spring Branch, TX 78070 [email protected] +1.916.877.5067 _______________________________________________ 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.
