I would buy that (Google Maps being off) except that I'm less than 2 miles from
the SF bay and -5M would have me underwater. That may well happen but not for a
few years at least. Also the Arbiter does match Google maps pretty closely. It
doesn't really matter a lot, just a curiosity.
Demian
>Date: Mon, 18 May 2015 18:12:58 -0400
>From: Bob Camp <kb...@n1k.org>
>To: Discussion of precise time and frequency measurement
<time-nuts@febo.com>
>Subject: Re: [time-nuts] Thunderbolt Height Error
>Message-ID: <1ae37b6b-35fd-4c5f-95d6-01316d6c4...@n1k.org>
>Content-Type: text/plain; charset=us-ascii
>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....@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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