This does seem to be an iG3 issue. I have found two things that have helped with this, if you are using a delorme receiver, with the delorme serial splitter, try setting the port for
iGuidance to RAW. This solved the problem with my receiver completely in my case.
If that does not work, then give XPort a try, as that fixed the issue as well.
The only reason I know these are both "Fixes" is I purchased a MS branded Pharos GPS device and put it in the car, and replaced the Delorme serial splitter with Xport, and now I have a lock faster than I can get to the iG screen when RR does a cold boot. It immediately starts tracking.
I moved the Delorme to my dev
machine and had the same fracking problem with iG not getting a location, even though the Delorme utility reported 8 satellites locked. I just started trying things, and set the port for RR to RAW in the Delorme serial splitter, and INSTANTLY iG got a lock, and does so every time now if the receiver itself gets a lock.
Not real sure what the technical reason is, but I would assume that iGuidance does not like the info tampered with at ALL, and prefers the straight raw info.
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