They've abandoned
381.7
381.8
383.9
To allow the use of LMR systems between 380 and 400
In their place. Some Air Sta's DO continue to use the 38#.##'s as a TAC channel, but NOT for Primary use.
237.9 Uniform Secondary
326.15 Uniform Air-to-Ground (primary)
345.0 Uniform Primary
379.05 Uniform Air-to-Ground (Secondary)
In addition to the CG Nets, Coast Guard Air Station Cape Cod uses 122.9750 AM Victor Primary, 164.5500 FM Primary (FM CSQ), 166.2250 Maintenance Control (FM CSQ) As well as the HF COTHEN Netwok.
Very little use of VHF-FM Marine channels anymore in Sector Boston, Cape Cod, Northeast New England, although from time to time it is still used.