[time-nuts] Sub mm measurements with gps timing antennas?

[Magnus Danielson]

On 04/25/2012 06:37 PM, Said Jackson wrote:
> Hi Attila,
>
> I agree, keep the gps away from such fast and large temperature excursions. The internal tcxo is not as stable as one would expect.. Building a larger box and burying it could help slow the temp gradient..

Indeed. I forgot to say that such swings is not what make TCXOs to 
excel, and some of the frequency error will not be compensated in the 
same way as if it was kept stable at any of the these temperatures, the 
shift itself isn't really what makes the best of a crystal.

Cheers,
Magnus