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Maritime Telecommunications
Primary Mission Areas:
Services & Reporting:
Maritime Information:
2 MHZ MARINE RADIOTELEPHONE FREQUENCIES

Effective 01 August, 2013, the U. S. Coast Guard terminated its radio guard of the international voice distress, safety and calling frequency 2182 kHz and the international digital selective calling (DSC) distress and safety frequency 2187.5 kHz. Additionally, marine information and weather broadcasts transmitted on 2670 kHz will terminate concurrently. See the safety alert. Note that these frequencies are still available and in use, notwithstanding the Coast Guard's termination of the radio guard. Please contact us if you have any questions.


Intership Safety and Operational Communications.

Carrier Frequency (kHz)

Geographic Area

2003.0

Great Lakes only

2782.0

Mississippi River System working frequency

2082.5

All Areas. Also, Intership non-commercial fishing.

2086.0

Mississippi River System working frequency

2093.0

All Areas.

2142.0

Pacific Coast, daily, south of 42 deg. N

2182.0

Distress, safety and calling (No longer monitored by US Coast Guard)

2203.0

Gulf of Mexico. Also, Intership non-commercial fishing.

2214.0

All Areas.

2635.0

ITU Regions 2-3 (ITU RR 4193). Not in FCC rules.

2638.0

All Areas.

2738.0

All Areas, except Great Lakes. Shared with aircraft.

2830.0

Gulf of Mexico only. Shared with aircraft.

 

Business and Operational Frequencies

Carrier Frequency (kHz)

Geographic Area

2065.0

All Areas.

2079.0

All Areas.

2096.5

All Areas.

3023.0

Government shore, ship and aircraft stations for search and rescue coordination.

Reference: FCC Regulations, 47 CFR 80.373(b) and (c), except as noted. Assignments are required before these frequencies can be used by land stations. Duplex channels are not available in this band.