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From: | Devren Yener |
Subject: | Re: GPS time sync with chrony and ESE serial device |
Date: | Fri, 6 Mar 2020 14:28:34 -0500 |
Yo Devren!
On Fri, 6 Mar 2020 13:55:29 -0500
Devren Yener <address@hidden> wrote:
> Thanks Gary for the clarification. I showed these products to our
> resident electrical engineer, and he thinks our manager would prefer
> we buy a GPS device that already comes with a case and a serial port
> and a power supply, so we don't have to spend man-hours fabricating
> something and soldering on wires. (The raspberry pi still might be a
> possibility but not the bare board.) Any suggestions for a product
> that is somewhat more finished (and expensive) than the bare boards,
> but less than the $1400 server I mentioned?
I also showed you the complete Uputronics NTP server for under $300:
https://store.uputronics.com/index.php?route=product/product&path=60_70&product_id=92
Why was that not good for you?
Maybe you can say what it is you are looking for? Do you need real
RS-232? Is USB and 1 millisec good enough? Or?
> David, what I'm gathering from your last email is that I might try
> re-doing the pin configuration of the serial cable, to see if that is
> why the PPS programs don't recognize it. Is that a fair statement?
> I'm getting the feeling that the existing pin configuration is very
> non-standard. I'm also willing to try "reference NTP" in place of
> chrony, but I'm not very interested in Windows. :) I might try some
> of these things next week when I have time.
If ppscheck from the gpsd source works, then gpsd should work.
All you need is a good +/-12V pulse on CD, RI, or CTS
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
address@hidden Tel:+1 541 382 8588
Veritas liberabit vos. -- Quid est veritas?
"If you can't measure it, you can't improve it." - Lord Kelvin
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