United States Coast Guard

From The RadioReference Wiki

Air Operations

New nationwide United States Coast Guard frequencies, as of January 1, 2005, are listed below. The frequencies were changed due to the mandate to vacate 380-400 MHz so that the spectrum could be used for military trunked radio systems.

345.0   Operations Primary       AM Mode
237.9   Operations Secondary     AM Mode
326.15  Air-to-Ground Primary    AM Mode
379.05  Air-to-Ground Secondary  AM Mode

HF Operations

5696  USB   Primary Night Operations
8983  USB   Daytime Operations
11202 USB   Daytime Operations

In addition, the USCG now uses the COTHEN ALE Network for communications