comdtinst m2400.1f - US Coast Guard Response Boat-Medium

L01 OCEANOGRAPHIC DATA OPERATIONS
L01.01 OCEANOGRAPHIC DATA STATION FREQUENCIES (300HF1D)
Interrogating Station: Miami (NMA), San Francisco (NMC)
These frequencies are available to ship stations for oceanographic data
transmissions. They may also be used by buoy stations for oceanographic
data transmissions and by stations interrogating these buoys. Use of
these frequencies requires specific authority by the Commandant.
4063.30 6261.30 8340.30 12420.30 16617.30 22240.30
4063.90 6261.90 8340.90 12420.90 16617.90 22240.90
4064.50 6262.50 8341.50 12421.50 16618.50 22241.50
L02 INTERSHIP
L02.01 INTERSHIP DUPLEX (100HA1A)
CG ship transmits
Merchant ship transmits
466 415-535 band*
8650 (8648) Assigned 8 MHz frequency*
IAW ITU Radio Regulations, Art. 60 and 63.
The above frequencies may be used by Coast Guard ships to communicate
with non-Coast Guard ships.
L02.02 INTERSHIP SIMPLEX (2K8J3E/16KF3E)
The following non-government intership frequencies may be used by
Coast Guard ships to communicate with non-Coast Guard ships only when
required. The carrier frequency in parenthesis is applicable to SSB
equipments only, and is located 1.4 kHz below the assigned frequency.
2K8J3E 2K8J3E 16KF3E
2004.4(2003) (1) 2636.4 (2635) (2) 156.3 MHz (Ch.6) (2)
2083.9(2082.5) (2) 2639.4 (2638) (2) 156.65 MHz (Ch.13) (5)
2094.4(2093) (2) 2739.4 (2738) (3) 156.375 MHz (Ch.67) (6)
2204.4(2203) (4) 2831.4 (2830) (4)
Notes: (1) Great Lakes only.
(2) All areas.
(3) All areas, including inland waterways, except Great Lakes
and Gulf of Mexico.
(4) Gulf of Mexico only.
(5) Bridge-to-bridge communications channel for
navigational purposes only.
(6) Bridge-tobridge communications channel for navigational
purposes only in a limited area in the Southern
Louisiana section of the Mississippi River System.
L-2