comdtinst m2400.1f - US Coast Guard Response Boat-Medium
comdtinst m2400.1f - US Coast Guard Response Boat-Medium
comdtinst m2400.1f - US Coast Guard Response Boat-Medium
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A03.02 NORTH ATLANTIC HF RADIOTELETYPE (RATT) (300HF1B) (PAIRED <strong>US</strong>E<br />
ONLY)<br />
<strong>Coast</strong> Stations: Boston (NMF), Portsmouth (NMN)<br />
<strong>Coast</strong> Station Freq.<br />
Paired Ship Station Freq.<br />
4212 (4210.3) 4174 (4172.3)<br />
4215.5 (4213.8) 4178 (4176.3)<br />
6316 (6314.3) 6264.5 (6262.5)<br />
6323.5 (6321.8) 6272.5 (6270.8)<br />
8418 (8416.3) 8378 (8376.3)<br />
8426 (8424.3) 8386 (8384.3)<br />
12581 (12579.3) 12478.5 (12476.5)<br />
12589 (12587.3) 12486.5 (12484.5)<br />
16808.5 (16806.5) 16685 (16683.3)<br />
16816.5 (16814.5) 16693 (16691.3)<br />
22378 (22376.3) 22286 (22284.3)<br />
22386 (22384.3) 22294 (22292.3)<br />
This circuit is under the operational control of Commander, Atlantic<br />
Area. The circuit is available for all RATT equipped ships for<br />
secure and non-secure RATT communications. NMN is the net control<br />
station. The frequencies must be used by the coast and ship station<br />
in the paired mode only.<br />
Note:<br />
The carrier or dial frequency is parenthesis is applicable to<br />
SSB RATT transmissions only, and is located 1700Hz below the<br />
assigned frequency.<br />
A-12
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