I have a c550, isn't picking up any satellites. I tried just 2 strands of wire in the external antenna port, still nothing.
thinking my sirf firmware got messed up somehow? either way I was thinking of trying to reflash it, has anybody done this before using sirfflash or sirfdemo? I tried via usb and the rs232 to usb software never worked properly. do you have to use a bluetooth dongle?
currently running c550 software 6.60 gps software 3.00 sirf GSW3.2.5Garmin_3.3.01.06-SDK001P1.00
webupdate has ruined my gps so far, I also have a copy of sirf firmware 3.2.4 and 3.2.2