Police Call Frequency Directory Frequency Not Heard For Local Police?

Frequency Not Heard for local Police? - police call frequency directory

I hear the ambulance dispatcher for local calls (154,280), but can not hear the police published in 155,640. I have a Radio Shack Pro 2018 200 Canal. Can contact lenses? be bad? Ideas? Dispatchers are often gave me the shipment and I used to be able to hear calls, but can not. HELP PLEASE!