Hi I think that your gps may well be the ideal as I know that our company's(my gsm calibration equipment) Rubidium Standards are calibrated against the GPS. The method is to take that 1 sec pulse and up count to 10Meg ref and compare that by the same method you are currently using. This is how the labs calibrate our standards-should be the same all over the world. Good luck Brad --- [EMAIL PROTECTED] wrote: > Perhaps I wasn't clear. I have been using this > simple comparison method for > years to align my IFR timebase to WWV. It gets you > within 1 cycle or so at the > 10 MHz. (or closer if you compare the second > harmonic of the 10 MHz timebase > with the 20 MHz WWV signal when it's strong enough.) > What I was asking was, Is > there anyone out there using another method (short > of having your service > monitor locked to the 10 MHz output of a GPS > receiver) that gives you a more > accurate measurement. I am looking for a method that > would give you a visual > indication similar to using a lissajous figure as in > when comparing two audio > frequencies. > > Art - KC7GF > > > > > > Your use of Yahoo! Groups is subject to > http://docs.yahoo.com/info/terms/ > >
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