Hi. Sorry for messing up the last post. I try again:
Does anyone have the specification of the serial port protocol for the
Symmetricom / Microsemi sa.31m ?
I could only download the datasheet which does not give any information on
the syntax or the available commands.
Thanks in advance,
Bernd Pla
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Dan it looks like the thread has re-developed.
As my early test of your simple solution demonstrated. Better PPS better
stability (Used a TBolt to test this) in the form of semi-short term
jitter. The beauty of Dans solution is the user can select the quality and
cost of the receiver used. Anything
After studying the various divide by 3 circuits, I decided to try
designing one that would be simpler in terms of package count, using
available ECL DIPs on-hand. Instead of the JK-FF version followed by
duty cycle-fixing circuitry, I opted for two 10131 dual D-FFs to provide
the state machine,
Hi
These antennas are in the same league as a automotive GPS. Since they don’t
even have the GPS receiver in them, they actually have fewer regulations on
them. As such
there are no restrictions on exporting them. That said, I don’t think I would
ship anything (even a bottle of milk) to some co
Hi
If indeed you are into a professional system, where holdover matters then
a lashup on a bunch of surplus gear likely isn’t going to measure up. Based
on about 10,000 previous posts on the list I’d say that holdover does not
appear
to matter to Time Nuts. It would be difficult to find a threa
Hi
There are a number of papers out there (check the NIST archive) on GPS vs
Gloanss
timing. The simple answer at this point is “don’t bother”.
Bob
> On Oct 3, 2015, at 1:28 AM, Hal Murray wrote:
>
>
> kb...@n1k.org said:
>> The main thing you get with the 7’s (vs the 5 and 6) is the abilit
Does anyone know of any issue with licensing (export licenses) for
these? I seldom hesitate to ship old computer stuff I have, but that
GPS is technically a military tool gives me pause to step up. The vendor
may have such things ironed out, but individuals that step up here may
have a hassle