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I own a Radioshack Pro-75, i live in river edge which is a town in tri borough south fire freq along with oradell and new milford,(all towns in bergen county next to paramus), i can hear all of the beginning of a call (location,truck rollout,truck position). But after that my scanner goes silent. For some reason i am not recieving fireground (155.0400). Is there any reason why i cannot recieve it? Also i would like to get a scanner with pl's can you recommend a good one with 200 channels? Thank