[time-nuts] FURUNO GT-80 for Brandywine GPS-4

[Mark Sims]

I don't know which receiver is in the GPS-4.   Open yours up and take a peek...   I do know the GPS-4 uses $PFEC commands.   I have a 8031 and Lady Heather works with it.   I have an 8037, but don't know what command set it uses... yet.

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>  Would these other modules be compatible with the controller and firmware
in the GPS-4? I wasn't sure if they all used the same commands and responses.