rockwall

I have a RS PRO-107 iSCAN scanner, and have been using it to listen to the EDACS analog trunked system in Rockwall, TX for quite some time. The agencies that use it have "gone quiet", and I'm thinking that they may have switched to the Alternate control channel listed in the RadioReference...

I need help finding the right scanner for Rockwall County. I have been to radio shack in Rockwall but they said they do not carry anything that will work for this location. I have seen conflicting stories on what to get, so anyone that knows the area, I would really appreciate any help. It...