[time-nuts] Lady Heather for homebrew GPSDO
bob at evoria.net
Sat Dec 17 17:39:37 EST 2016
A couple of years ago, I asked the group if there was a standard UI that I should use for the GPSDO that I was developing. Everyone said no, just do what works. I don't think it occurred to anyone, certainly not to me, just how big a role that LH plays in the world of GPSDOs. So, here I am at the end of the development cycle, and this question has become very important to me. Obviously, I'm very interested in where this thread goes.
Mark, if you decide to handle this offline, could you make me a part of that discussion?
GFS GPSDO list:
From: Jim Harman <j99harman at gmail.com>
To: time-nuts at febo.com
Sent: Saturday, December 17, 2016 1:22 PM
Subject: [time-nuts] Lady Heather for homebrew GPSDO
I have experimented with LH 5 just monitoring a GPS receiver and am very
impressed with the results.
As a next step, I would like to use LH to monitor a homebrew GPSDO, and I
think it would be easier to modify the GPSDO firmware to emulate an
existing device rather than customize LH to work with the logging data that
my system currently produces.
In addition to NMEA data from the GPS, my system can output the DAC and TIC
(phase error) values as well as the temperature, Since I control the
firmware, I can produce pretty much any data format as long as it is
clearly documented, but I would prefer a text-based rather than binary
protocol and not to have to reformat all the NMEA data.
Does this approach make sense, and if so which of the several standard
GPSDOs would it be best to emulate?
Thanks in advance for your insights
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