Have HP1 thinking of getting Pro652

I live in Saginaw mi have an HP1 have used it for two and a half years very unhappy with the garleled audio on the MPSCS system have tried many fixis moving scanner different firm antennas and firmware nothing works permantly thinking about getting Radio Shack Pro652 anybody have any experience with one in the Saginaw area or any other Radio Shack scanner thanks

Have HP1 thinking of getting Pro652