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Im hoping someone with a technical background can help me in this field. Listening in the New York Metro area naturally brings intermod and front end overloading easily in open scanning modes. I see that Scannermaster has both the VHF band pass filter and the FM Notch Filter. Does anyone have suggestions on if any of these would be useful in a mobile scanning application where its a 396XT connected to a mobile antenna in the car?

Any insight would be appreciated

Thank you