[time-nuts] GPS: ADEV or MDEV?
SAIDJACK at aol.com
SAIDJACK at aol.com
Tue Apr 24 03:25:06 UTC 2007
In a message dated 4/23/2007 18:54:54 Pacific Daylight Time,
bruce.griffiths at xtra.co.nz writes:
>If an unheated reference exposed to wide ambient temperature swings is
>used then hysteresis may be significant when the OCXO is continuously
>powered.
>The significance and magnitude of the effect depends on the range of
>ambient temperature variations experienced.
>Bruce
Hi Bruce,
in an 'uncontrolled' environment like that one would not get 2-20ppm retrace
on the Zener (as speced in the table sent to this group earlier) I would
think.
bye,
Said
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