Adrian P Challinor wrote: > Well, I ran femon (until the card crashed!) and the best I'm seeing is a > signal strength of 23%. The indicator bar is always red. I guess this means > I need to get someone to look at the aerial. Any comments? If it's an old Nexus-T with sp8870 frontend then the femon values snr and str are quite meaningless. The driver does not report proper values. You could look at BitErrorRate (BER) and UnCorrected (UNC) values. Theroretially they should be zero or very small.