Bob,
Sorry - this may not have come through - my e-mail:
j...@westmorelandengineering.com
On Thu, Aug 16, 2018 at 5:14 PM, John C. Westmoreland, P.E. <
j...@westmorelandengineering.com> wrote:
> Bob,
>
> Can you please send me your personal email address so we can have a brief
> discussion
Bob,
Can you please send me your personal email address so we can have a brief
discussion off-list?
Thanks,
John Westmoreland (I'm just nuts, and not only about time! Ha!)
408-772-6237
On Thu, Aug 16, 2018 at 2:56 PM, Bob Martin wrote:
> Hello,
>
> I am not a Time-Nut but I did work in
Hello,
I am not a Time-Nut but I did work in the field for Dr. Sam Stein
of Timing Solutions from the time he founded the company in 1991.
Ultimately I became one of his three partners and designed the
hardware and firmware for most of his products. While I chose not to
continue with the
Hi
Getting into the ~2 ns region is not as hard as it once was. The real gotcha is
needing
a L1/L2 receiver to do it *consistently*. If you just have L1, then you can
easily get more
than a couple of ns over a day due to various atmospheric effects.
It’s not at all clear what sort of GPS
I've seen several spec sheets on high end GPSDO's that seem to have
performance approaching a low-noise cesium standard, but only cost $3-6$K
new. One is the SRS FS740 which appears to combine a GPSDO with the
interpolator of the SR620 counter. This gets down below 10(-13) in one day
and
Hi,
I've been working on a self-designed GPSDO (on and off for the last couple
of years now), and while I got it working decently well, I've been thinking
about using GPS carrier phase measurements for better accuracy.
The main issue I'm running into is that most timing GPS modules will
happily