The USCG stays very active here on the Gulf Coast. The local Coast Guard group resides in Mobile and on Dauphin Island, AL. Coast Guard Group Mobile has a wide variety of aircraft at its disposal. You can read more about them and the USCG Air Training Center at www.uscg.mil/hq/atcmobil/

Frequency	Channel	Use
8.983 USB		HF Operations - Day Primary
11.202 USB		HF Operations - Day Secondary
5.696 USB		HF Operations - Night Primary
3.122 USB		HF Operations - Night Secondary
138.475	AUX 1	Auxiliary 1
142.825	AUX 2	Auxiliary 2
143.475	AUX 3	Auxiliary 3
149.200	AUX 4	Auxiliary 4
150.700	AUX 6	Auxiliary 6
139.975	SP OPS 1	Special Ops 1
140.475	SP OPS 2	Special Ops 2
140.725	SP OPS 3	Special Ops 3
150.725	SP OPS 4	Special Ops 4
157.150	23A	Mobile Safety of Flight
171.325		Mobile ATC Flightline
318.800		Mobile ATC Flight Ops
345.000		UHF Operations Primary
237.900		UHF Operations Secondary
326.150		UHF Air-Ground Primary
379.050		UHF Air-Ground Secondary
164.5150	COMMON
163.7250	COMMON
155.475	LANT 01	Nationwide PD Common
163.175 R	LANT 02	USCG C3 Repeater (inp. 162.050)
162.125	LANT 03	USCG TAC 1 (Pri.)
162.225	LANT 04
162.25	LANT 05	USCG Operations (Discrete)
162.325	LANT 06	USCG TAC 2 (Sec.)
162.35	LANT 07
162.6125	LANT 08
163.050 R	LANT 09	USCG Enforcement (inp. 162.125)
163.175	LANT 10	USCG C3 Repeater Talk-Around
163.375	LANT 11
164.3	LANT 12	NYC
164.9125 R	LANT 13	NYC Repeater (PL 103.5) (Analog and P25 Digital)
165.2375	LANT 14	US Customs (Pri.) Talk-Around
165.2625	LANT 15	USCG Law Enforcement C3
165.3125	LANT 16
165.3375	LANT 17
164.775 R	LANT 18	US Army Corps of Engineers (inp. 165.975)
165.2375 R	LANT 19	US Customs (Pri.) (inp. 166.4375)
166.4625	LANT 20	US Treasury Common
165.2375 R	LANT 21	US Customs (Pri.) (inp. 166.4875)
166.5875	LANT 22	US Customs Tactical
167.9	LANT 23	US Customs Portable Repeater Talk-Around
164.550 R	LANT 24	USCG Enforcement OCDETF (inp. 168.8625)
171.3375	LANT 25	USCG Law Enforcement C4 (P25 Digital)