upgrade question

Hello, I’m looking for some help in upgrading my mobile antenna. Right now I have a tram 1199 through the glass antenna but I don’t get great signal and feel that I miss calls on the scanner. I listen to fire departments on the p25 system in Rhode Island and that is what I feel I don’t get good...

I am pretty sure based on another thread that it is possible to get this upgrade done however I was curious what reasonable pricing on it was. Also, is it true that FDNY knobs are discontinued? How much do those cost? Thanks for any assistance.

I have the Pro-164 Scanner from Radioshack and I am trying to update it, I have the wire and everything but when it comes to the part where it says hold the PGM button and the scanner will enter its "CPU SW UPGRADE" mode I cant get it go get to that part, when i have the cable plugged into the...