[time-nuts] Frequency comparison
lists at cq.nu
Sun Feb 7 15:08:19 UTC 2010
Which HP counter(s) do you have?
The method you are using now with a scope can give you good accuracy if your clocks are close to each other and you watch things for a long enough time.
On Feb 7, 2010, at 10:04 AM, Raj wrote:
> Hi! all Time-Nuts,
> For a newbie like myself at GPSDO & Rb oscillators etc. what method of frequency comparison would you gurus recommend ? Any articles on this subject ?
> Available test instruments are: Scopes digital & Analog, counters with 0.01 Hz display at 10 Mhz (HP & Racall-Dana).
> Currently I am comparing the phase between two 10 Mhz and adjusting for the lowest drift visually on the scope and phase drift on the Racall-Dana 1992.
> Your suggestions I would like to use for calibrating the Rb oscillator with a GPSDO.
> Raj, VU2ZAP
> Bangalore, India.
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