On 8/28/23 17:45, mail@vlh.dk wrote: > Here's some pictures of the board I did earlier this year while it was running, but I'll pull it out from the rack and and do some proper pictures of the GPS module and OCXO when I'm doing maintenance in a good weeks time. > > > Thanks, from a search, a dead ringer for the Trimble ReolutionT 52664 gps module. Just bought a couple from an Ebay seller at $6 each, cheap enough to take a chance on it working. May have the date rollover bug, but gives a start point to find perhaps a later Trimble, same comms protocol, but giving the right answer. All good fun to work on anyway... Regards, Chris