I know this has been hashed out before, but I seem to have more problems with my 396 decoding the apco 25 signals of the HamCo TRS APCO 25. Can a wiFI network interfere or cause problems with scanner decoding the signals? What about Cell towers? Or do I have the wrong antenna? It seems to pick fine at other locations yet. Clermont is crystal clear. I have the latest firmware...any ideas? When I do the close call, nothing comes up? Are there others out there having similar problems?