Did you see that Symmetricom has the MFTS (Modular Frequency Timing
System) which is described as the replacement for the MFS. The manual
includes a warning not to interchange the modules between the two
systems. There may be some value in reviewing the MFTS manual to see if
there's anything applicable to the MFS.
Ed
On 11/25/2012 10:15 AM, John Ackermann N8UR wrote:
At a recent hamfest, I picked up an interesting looking Efratom "Made
in Germany" MFS modular frequency standard system. It's basically a
GPS disciplined FRK Rubidium with XO fail-over and a whole bunch of RF
and PPS outputs, in a *very* heavy box.
I've had a chance to play with it a bit and take some measurements,
and was able to find some (but not a lot) of documentation on the
web. I've put it all at
http://www.febo.com/pages/efratom_mfs/index.html for your viewing
pleasure.
One thing I'd like to learn more about is how the "MDC" fail-over
controller works, and also how to adjust the MXO backup crystal
oscillator -- the "Adjust XTAL" indicator on mine is on the edge of
being lit, but I haven't been able to find any way to trim the OCXO.
The GPSDRb is working just fine, though.
John
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