[time-nuts] Bad date out of HP Z3805A

Daniel Watson watsondaniel3 at gmail.com
Mon Nov 2 22:12:36 EST 2015


It just so happens I've been playing around with GPS week rollover on the
Tria GPS. I added an option to simulate the next rollover in 2019, and did
some experimentation with a REF-0. With this being a current topic in this
thread, I decided to do a quick write-up on it:


I stuck to GPS time instead of UTC and didn't bother to simulate some
unknown number of leap seconds that will have occurred by then. But perhaps
the simple tests I documented will be of interest to the list.

Best regards,

Dan W.

On Mon, Nov 2, 2015 at 1:58 PM, Gregory Beat <w9gb at icloud.com> wrote:

> I believe Dan Watson's Tria GPS receiver project, emulating the Motorola
> UT+ GPS receiver, will have an audience not only for GPS rollover issues --
> but as constellation alternatives increase by 2020 (user choices).
> http://syncchannel.blogspot.com/2015_10_01_archive.html
> Heol Designs (France) has already proven that such a market existed for
> the older Trimble receivers from that same design period.
> http://www.heoldesign.com/index.php?module=products&action=catalog&cat=14
> greg
> w9gb
> Sent from iPad Air
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