United States Secret Service

The United States Secret Service protects the president and vice president, and their families. The Secret Service also protects foreign heads of state when visiting the United States. Diplomats other than heads of state are protected by the Diplomatic Security Service.

United States Secret Service frequencies are in use nationwide. Usage may vary slightly depending on operational needs.

Channel  Frequency  Description                     Type  Tone
Baker    165.7875   Nationwide Commandpost          BM    103.5 PL
Charlie  165.375    Nationwide Primary/Commandpost  RM    103.5 PL
Mike     165.2125   Foreign Heads of State          BM    103.5 PL
Oscar    164.8875   President Protection            BM    103.5 PL
Papa     164.4      Technical Services Division     BM    103.5 PL
Tango    164.65     Vice President Protection       BM    103.5 PL