[time-nuts] Thunderbolt Height Error

[Bob Camp]

Hi

The simple answer is that Google maps may or may not be correct. There are a lot 
of examples of them being off by 10M or more. That said, my *guess* would be that the 
Thunderbolt is closer to the truth.

Bob

> On May 18, 2015, at 2:34 AM, Demian Martin <demianm.pds at gmail.com> wrote:
> 
> I have 2 GPSDO's. A Thunderbolt and an Arbiter 1083A. The Arbiter is old but
> it works fine (and has a Wenzel 5 MHz streamline oscillator in it). It has
> the 1995 firmware issue, and I could get new firmware for it ($$) but I'm
> not using it as a clock, just a frequency source.
> 
> 
> 
> I just moved and have re-setup both. They share an antenna. I got both to do
> a self survey. The Arbiter was really close to what Google maps indicate is
> my location. The Thunderbolt was about the same except it has me
> underground. The arbiter has the height as +30M. The Thunderbolt as -6M.
> What setting do I have wrong in the Thunderbolt? Would it affect the
> operation as a frequency standard in any way?
> 
> 
> 
> 
> 
> Demian Martin
> 
> San Leandro, CA 94577
> 
> 
> 
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