[time-nuts] Rb vs.Crystal OCXO

Bill Dailey docdailey at gmail.com
Sun Apr 27 13:04:25 EDT 2014


I unplug the antenna from my fury boards.  I hope this is an effective alternative.

Sent from mobile

On Apr 27, 2014, at 9:02 AM, "Tom Van Baak" <tvb at LeapSecond.com> wrote:

>> The Pendulum GPS-88 and GPS-89 have a button on the front you push when 
>> you want to force it into hold-over to do your measurement, for this 
>> very reason.
>> 
>> PPS steering and OCXO steering is the same thing once you forced the PPS 
>> into the right range. Some *really* depend on the synchronicity between 
>> 10 MHz and PPS, and you should not obscure it if possible.
>> 
>> Cheers,
>> Magnus
> 
> When doing a sensitive measurement where stability is more important than accuracy I turn off GPS disciplining.
> 
> The TBolt has commands to go into and out of holdover. But more effective are the 0x8E,0xA3,4 and 0x8E,0xA3,5 commands which simply disable and enable disciplining.
> 
> /tvb
> 
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