[aprssig] 1. RE: THD7A GPS Question (Robert Bruninga)
corrie_griffiths at hotmail.com
Wed Feb 20 15:45:58 CST 2008
> > Not sure why you are seeing the blinking
> > but not getting valid position data.
I saw this very problem on an early revision TH-D7E - it was due to the NMEA sentence from my GPS having positions with 4 decimal places and the D7 only being able to handle 3 decimal places. I proved this by creating a PIC based lash up that stripped the 4 decimal place - probably got the code somewhere if you are that way inclined.
I contacted Kenwood UK who were happy to upgrade the firmware in my D7 - free of charge too - great service! If you can locate an older Garmin they have the shorter precision and should work OK.
Telly addicts unite!
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