[time-nuts] Frequency comparison

[Bob Camp]

Hi

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.

Bob


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.
> 
> Regards
> 
> -- 
> Raj, VU2ZAP
> Bangalore, India. 
> 
> 
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