US Marshals Service

US Marshals Service

In many areas, the USMS shares dispatching service through the regional FBI radio network. They also can maintain their own repeaters, as needed. Here are some frequency allocations for the Marshals Service:

162.7000
162.7125
162.7875
162.8250
163.0750
163.2000
164.6000
166.4625
167.4750
167.6750
168.8625
169.7000
169.7250
170.7500
170.8000
170.8500
170.8750
170.9250
171.2250

The Federal Courthouses all have a VHF repeater on-site. It has been determined there are 10 CSO [Court Security Officer] repeaters CSO 01 thru CSO 10. Each repeater has a different input:

 167.6750, N293         USMS Court Security Common [simplex]

 170.7375, N293         CSO 3, 8 and 9

 170.7500, N293         CSO 1, 2 and 10

 170.7500, N401         CSO 7

 171.2625, N203         CSO 6

 173.1125, N293         CSO 5

 173.8000, N293         CSO 4