Broadcasting radio is a Motorola CDM1550 located at Clayton Fire Rescue. Will be broadcasting main Public Safety frequencies for Union County NM and Dallam County TX fire and ems. During times of mutual aid other Public Safety none tactical frequencies may be broadcasting during a large event. Clayton Fire Rescue 153.98 Priority scan 1. Union County Fire 158.86 Union. County N EMS 158.835. Union County Sheriff 155.625. Clayton PD 158.745. N Dallam County Fire 158.7825. N Dallam County EMS 155.2125.