Standard Horizon Hx500s manual 37

	Carrier frequency		Points of communica-
Channel	(MHz)		tion (Intership and be-
designator	Ship	Coast	tween coast and ship
			unless otherwise indi-
	transmit	transmit	cated)
	Port Operations
01A1	156.050	156.050
63A1	156.175	156.175
052	156.250	156.250
65A	156.275	156.275
66A	156.325	156.325
123	156.600	156.600
73	156.675	156.675
143	156.700	156.700
74	156.725	156.725
774	156.875		Intership only.
20A12	157.000		Intership only.
Navigational (Bridge-to-Bridge)5
136	156.650	156.650
677	156.375	156.375
	Commercial
01A1	156.050	156.050
63A1	156.175	156.175
07A	156.350	156.350
677	156.375		Intership only.
08	156.400	........	Do.
09	156.450	156.450
10	156.500	156.500
113	156.550	156.550
18A	156.900	156.900
19A	156.950	156.950
79A	156.975	156.975
80A	157.025	157.025
88A8	157.425	........	Intership only.
7214	156.625	........	Internship only.
	Digital Selective Calling
7015	156.525	156.525

	Carrier frequency		Points of communica-
Channel	(MHz)		tion (Intership and be-
designator	Ship	Coast	tween coast and ship
			unless otherwise indi-
	transmit	transmit	cated)
	Noncommercial
6817	156.425	156.425
0916	156.450	156.450
69	156.475	156.475
71	156.575	156.575
72	156.625	........	Intership only.
78A	156.925	156.925
79A	156.975	156.975	Great Lakes only.
80A	157.025	157.025	Do.
6714	156.375	.......	Internship only.
	Distress, Safety and Calling
16	156.800	156.800	EPRIB
	Intership Safety
06	156.300	........	a. Intership, or b.
			For SAR: Ship and
			aircraft for the U.S.
			Coast Guard.
	Environmental
1513	........	156.750	Coast to ship only.
	Maritime Control
179,10	156.850	156.850
	Liaison, U.S. Coast Guard
22A11	157.100	157.100	Ship, aircraft, and
			coast stations of
			the U.S. Coast
			Guard and at Lake
			Mead, Nev., ship
			and coast stations
			of the National
			Park Service, U.S.
			Department of the
			Interior.

1:156.050 MHz and 156.175 MHz are available for port operations and commercial communications purposes when used only within the U.S. Coast Guard designated Vessel Traffic Services (VTS) area of New Orleans, on the lower Mississippi River from the various pass entrances in the Gulf of Mexico to Devil’s Swamp Light at River Mile 242.4 above head of passes near Baton Rouge.

2:156.250 MHz is available for port operations communications use only within the U.S. Coast Guard designated VTS radio protection areas of New Orleans and Houston described in Sec. 80.383. 156.250 MHz is available for intership port operations communications used only within the area of Los Angeles and Long Beach harbors, within a 25- nautical mile radius of Point Fermin, California.

3:156.550 MHz, 156.600 MHz and 156.700 MHz are available in the U.S. Coast Guard designated port areas only for VTS communications and in the Great Lakes available primarily for communications relating to the movement of ships in sectors designated by the St. Lawrence Seaway Development Corporation or the U.S. Coast Guard. The use of these frequencies outside VTS and ship movement sector protected areas is permitted provided they cause no interference to VTS and ship movement communications in thier respective designated sectors.

HX500S Page 35