Everything in Kingman and Mohave county , with the exception of lake Havasu is analog conventional so it is very easy to monitor. I am not too familiar with the Havasu system as I have not been down there lately to listen to it, but I live in Kingman. MCSO is on 156.150 in the Kingman area, and 155.040 in Havasu another fire frequency to monitor would be Desert hills and yucca which are just outside Havasu on 154.130. If you are interested in EMS river medical ambulance is on 462.350 in the Kingman area and 462.025 in Havasu.