Howard,
In a September 2008 post by Jason Rabel in reference to converting a
TS2100irig to GPS. The original question stated that the GPS always looked
busy. Here is his response...I wonder if this will solve your problem?
Quote
I've successfully converted my TS2100 IRIG to a GPS model along w
I bought a Datum Symmetricom TS2100 on e-bay. I've updated the firmware
to 4.1. It did not have a gps module. After looking on time-nuts it
appears that it wants a Trimble module.
It will talk to a Resolution-T I had on hand. I can retrieve the
firmware version, signal strengths, and satellite