On Sun, 19 Aug 2018 15:27:03 -0700
Ralph Devoe wrote:
> Thanks for the notes on the FS740. I missed it back last November. It
> looks so user-friendly that I might have to get one. Most SRS stuff is
> really well done.
Yes, indeed. All SRS schematics I have read looked really like someone
who
Thanks for the notes on the FS740. I missed it back last November. It
looks so user-friendly that I might have to get one. Most SRS stuff is
really well done.
The question I have is whether it is practical to get to the 10(-13) level
with a good Rb and a good GPSDO. The Rb's aging rate is low
On Sat, 18 Aug 2018 20:53:19 +0200
Attila Kinali wrote:
> Just to avoid confusion: I don't want to bash the FS740, not at all.
> It's a very well designed device with lots of ingenious solutions for
> small details (see also my quick review of it at [2]), but it's still
> just a GPSDO and has to
Bob
Good pix for what its worth its the navsync Wi125 and information is
available online.
Its interesting thats most CASCs I have seen in one place.
Regards
Paul
WB8TSL
On Sat, Aug 18, 2018 at 4:54 PM, Bob Martin wrote:
> I'm no expert on GPS receivers but here is a picture of a "GPSDO".
>
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
