国际海事VHF无线电频道说明

MichaelMa 最新资讯 2021年10月19日点击数：540

海划可能需要知道的海事频道说明。 16频道我们较为常用做安全和进出港使用。如果是小团队通联请不要用这个频道。可能使用双守听的手持机更方便。

INTERNATIONAL VHF MARINE RADIO CHANNELS AND FREQUENCIES

The following table is adapted from the International Telecommunications Union Radio Regulations Appendix 18, including changes adopted by the 2015 World Radio Conference. Transmission on frequencies or channels shown in blue are not allowed within U.S. territorial waters, but are allowed on the high seas and in most other countries. Note that a marine radio operating in the international mode on a channel in which the ship station frequency is shown in black and the shore station frequency shown in blue would not be able to communicate with a U.S. shore station. Frequencies and channels shown in green were auctioned in the U.S. and are only available from the auction winner. The large number of blue channels and frequencies indicates the shortage of VHF maritime spectrum in the U.S. compared to most other maritime countries.

The Table below defines the channel numbering for maritime VHF communications based on 25 kHz channel spacing and use of several duplex channels. The channel numbering and the conversion of two-frequency channels for single-frequency operation shall be in accordance with Recommendation ITU-R M.1084-5 Annex 4, Tables 1 and 3. The Table below also describes the harmonized channels where the digital technologies defined in the most recent version of Recommendation ITU-R M.1842 could be deployed.

Table of Transmitting Frequencies in the VHF Maritime Mobile
Channel Designator	Notes	Transmitting Frequencies (MHz)		Intership	Port Operations and Ship Movement		Public correspondence
Channel Designator	Notes	Ship Stations	Coast Stations	Intership	Single frequency	Two frequency	Public correspondence
60	m	156.025	160.625		x	x	x
01	m	156.050	160.650		x	x	x
1001		156.050	156.050		x
61	m	156.075	160.675		x	x	x
02	m	156.100	160.700		x	x	x
62	m	156.125	160.725		x	x	x
03	m	156.150	160.750		x	x	x
63	m	156.175	160.775		x	x	x
1063		156.175	156.175		x
04	m	156.200	160.800		x	x	x
64	m	156.225	160.825		x	x	x
05	m	156.250	160.850		x	x	x
1005		156.250	156.25		x
65	m	156.275	160.875		x	x	x
1065		156.275	156.275		x
06	f	156.300		x
2006	r	160.900	160.900
66	m	156.325	160.925		x	x	x
1066		156.325	156.325		x
07	m	156.350	160.950		x	x	x
1007		156.350	156.350		x
67	h	156.375	156.375	x	x
08		156.400		x
68		156.425	156.425		x
09	i	156.450	156.450	x	x
69		156.475	156.475	x	x
10	h,q	156.500	156.500	x	x
70	f,j	156.525	156.525	Digital selective calling for distress, safety and calling
11	q	156.550	156.550		x
71		156.575	156.575		x
12		156.600	156.600		x
72	i	156.625		x
13	k	156.650	156.650	x	x
73	h,i	156.675	156.675	x	x
14		156.700	156.700		x
74		156.725	156.725		x
15	g	156.750	156.750	x	x
75	n,s	156.775	156.775		x
16	f	156.800	156.800	DISTRESS, SAFETY AND CALLING
76	n,s	156.825	156.825		x
17	g	156.850	156.850	x	x
77		156.875		x
18	m	156.900	161.500		x	x	x
1018		156.900	156.900		x
78	m	156.925	161.525		x	x	x
1078		156.925	156.925		x
2078	mm	161.525	161.525		x
19	m	156.950	161.550		x	x	x
1019		156.950	156.950		x
2019	mm	161.550	161.550		x
79	m	156.975	161.575		x	x	x
1079		156.975	156.975		x
2079	mm	161.575	161.575		x
20	m	157.000	161.600		x	x	x
1020		157.000	157.000		x
2020	mm	161.600	161.600		x
80		157.025	161.625		x	x	x
1080		157.025	157.025		x
21	y,wa	157.050	161.650		x	x	x
1021		157.050	157.050			x
81	y,wa	157.075	161.675		x	x	x
1081		157.075	157.075		x
22	y,wa	157.100	161.700		x	x	x
1022		157.100	157.100		x
82	x,y,wa	157.125	161.725		x	x	x
1082		157.125	157.125		x
23	x,y,wa	157.150	161.750		x	x	x
1023		157.150	157.150		x
83	x,y,wa	157.175	161.775		x	x	x
1083		157.175	157.175		x
24	w,wx,x,xx	157.200	161.800		x	x	x
1024	w,wx,x,xx	157.200
2024	w,wx,x,xx	161.800	161.800	x (digital only)
84	w,wx,x,xx	157.225	161.825		x	x	x
1084	w,wx,x,xx	157.225		x (digital only)
2084	w,wx,x,xx	161.825	161.825
25	w,wx,x,xx	157.250	161.850		x	x	x
1025	w,wx,x,xx	157.250		x (digital only)
2025	w,wx,x,xx	161.850	161.850
85	w,wx,x,xx	157.275	161.875		x	x	x
1085	w,wx,x,xx	157.275
2085	w,wx,x,xx	161.875	161.875
26	w,ww,x	157.300	161.900		x	x	x
1026	w,ww,x	157.300
2026	w,ww,x		161.900
86	w,ww,x	157.325	161.925		x	x	x
1086	w,ww,x	157.325
2086	w,ww,x		161.925
27	z,zx	157.350	161.950			x	x
1027	z,zz	157.350	157.350
ASM 2 (2027)	z	161.950	161.950
87	z,zz	157.375	157.375		x
28	z,zx	157.400	162.000			x	x
1028	z,zz	157.350	157.350		x
ASM 2 (2028)	z	162.000	162.000
88	z,zz	157.425	157.425		x
AIS 1	f, l, p	161.975	161.975
AIS 2	f, l, p	162.025	162.025

NOTES FROM THE TABLE ABOVE:

General Notes

a. Administrations may designate frequencies in the intership, port operations and ship movement services for use by light aircraft and helicopters to communicate with ships or participating coast station in predominantly maritime support operations under the conditions specified in Nos. 51.69, 51.73, 51.74, 51.75, 51.76, 51.77 and 51.78. However, the use of the channels which are shared with public correspondence shall be subject to prior agreement between interested and affected administrations.

b. The channels of the present Appendix, with the exception of channels 06, 13, 15, 16, 17, 70, 75 and 76, may also be used for highspeed data and facsimile transmissions, subject to special arrangement between interested and affected administrations.

c. The channels of the present Appendix, with exception of channels 06, 13, 15, 16, 17, 70, 75 and 76, may be used for direct-printing telegraphy and data transmission, subject to special arrangement between interested and affected administrations

d. The frequencies in this table may also be used for radiocommunications on inland waterways in accordance with the conditions specified in No. 5.226.

e. Administrations may apply 12.5 kHz channel interleaving on a non-interference basis to 25 kHz channels, in accordance with the most recent version of Recommendation ITU-R M.1084, provided:

It shall not affect the 25 kHz channels of the present Appendix maritime mobile distress and safety frequencies, especially the channels 06, 13, 15, 16, 17, 70, AIS 1 and AIS 2, nor the technical characteristics mentioned in Recommendation ITU-R M.489-2 for these channels;
Implementation of 12.5 kHz channel interleaving and consequential national requirements shall be subject to coordination with affected administrations.

Specific notes

f. The frequencies 156.300 MHz (channel 06), 156.525 MHz (channel 70), 156.800 MHz (channel 16), 161.975 MHz (AIS 1) and 162.025 MHz (AIS 2) may also be used by aircraft stations for the purpose of search and rescue operations and other safety-related operations.

g. Channels 15 and 17 may also be used for on-board communications provided the effective radiated power does not exceed 1 W, and subject to the national regulations of the administration concerned when these channels are used in its territorial waters.

h. Within the European Maritime Area and in Canada these frequencies (channels 10, 67, 73) may also be used, if so required, by the individual administrations concerned, for communication between ship stations, aircraft stations and participating land stations engaged in coordinated search and rescue and anti-pollution operations in local areas, under the conditions specified in Nos. 51.69, 51.73, 51.74, 51.75, 51.76, 51.77 and 51.78.

i. The preferred first three frequencies for the purpose indicated in note a) are 156.450 MHz (channel 09), 156.625 MHz (channel 72) and 156.675 MHz (channel 73).

j. Channel (70) is to be used exclusively for digital selective calling for distress, safety and calling.

k. Channel 13 is designated for use on a world-wide basis as a navigation safety communication channel, primarily for intership navigation safety communications. It may also be used for the ship movement and port operations service subject to the national regulations of the administrations concerned.

l. The channels (AIS 1 and AIS 2) are used for an automatic identification system (AIS) capable of providing worldwide operation, unless other frequencies are designated on a regional basis for this purpose. Such use should be in accordance with the most recent version of Recommendation ITU-R M.1371.

m. These channels may be operated as a single frequency channels, subject to coordination with affected administrations. The following conditions apply for single frequency usage:
- The lower frequency portion of these channels may be operated as single frequency channels by ship and coast stations.
- Transmission using the upper frequency portion of these channels is limited to coast stations.
- If permitted by administrations and specified by national regulations, the upper frequency portion of these channels may be used by ship stations for transmission. All precautions should be taken to avoid harmful interference to channels AIS 1, AIS 2, 2027 and 2028. From 1 January 2019, channel 2027 will be designated ASM 1 and channel 2028 will be designated ASM 2.

mm. Transmission on these channels is limited to coast stations. If permitted by administrations and specified by national regulations, these channels may be used by ship stations for transmission. All precautions should be taken to avoid harmful interference to channels AIS 1, AIS 2, 2027 and 2028. From 1 January 2019, channel 2027 will be designated ASM 1 and channel 2028 will be designated ASM 2.

n. With the exception of AIS, the use of these channels (75 and 76) should be restricted to navigation-related communications only and all precautions should be taken to avoid harmful interference to channel 16 by limiting the output power to 1 W.

o. (n/a)

p. Additionally, AIS 1 and AIS 2 may be used by the mobile-satellite service (Earth-to-space) for the reception of AIS transmissions from ships.

q. When using these channels (10 and 11), all precautions should be taken to avoid harmful interference to channel 70.

r. In the maritime mobile service, this frequency is reserved for experimental use for future applications or systems (e.g. new AIS applications, man over board systems, etc.). If authorized by administrations for experimental use, the operation shall not cause harmful interference to, or claim protection from, stations operating in the fixed and mobile services.

s. Channels 75 and 76 are also allocated to the mobile-satellite service (Earth-to-space) for the reception of long-range AIS broadcast messages from ships (Message 27; see the most recent version of Recommendation ITU-R M.1371).

t. (n/a)

u. (n/a)

v. (n/a)

w. In Regions 1 and 3:

Until 1 January 2017, the frequency bands 157.025-157.325 MHz and 161.625-161.925 MHz (corresponding to channels: 80, 21, 81, 22, 82, 23, 83, 24, 84, 25, 85, 26, 86) may be used for new technologies, subject to coordination with affected administrations. Stations using these channels or frequency bands for new technologies shall not cause harmful interference to, or claim protection from, other stations operating in accordance with Article 5.

From 1 January 2017, the frequency bands 157.025-157.325 MHz and 161.625-161.925 MHz (corresponding to channels: 80, 21, 81, 22, 82, 23, 83, 24, 84, 25, 85, 26, 86) are identified for the utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842. These frequency bands could also be used for analogue modulation described in the most recent version of Recommendation ITU-R M.1084 by an administration that wishes to do so, subject to not claiming protection from other stations in the maritime mobile service using digitally modulated emissions and subject to coordination with affected administrations.

ww. In Region 2 (i.e. N. and S. America), the frequency bands 157.200-157.325 and 161.800-161.925 MHz (corresponding to channels: 24, 84, 25, 85, 26 and 86) are designated for digitally modulated emissions in accordance with the most recent version of Recommendation ITU-R M.1842.

wa. In Regions 1 and 3:
Until 1 January 2017, the frequency bands 157.025-157.175 MHz and 161.625-161.775 MHz (corresponding to channels: 80, 21, 81, 22, 82, 23 and 83) may be used for digitally modulated emissions, subject to coordination with affected administrations. Stations using these channels or frequency bands for digitally modulated emissions shall not cause harmful interference to, or claim protection from, other stations operating in accordance with
Article 5.
From 1 January 2017, the frequency bands 157.025-157.100 MHz and 161.625-161.700 MHz (corresponding to channels: 80, 21, 81 and 22) are identified for utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842 using multiple 25 kHz contiguous channels.
From 1 January 2017, the frequency bands 157.150-157.175 MHz and 161.750-161.775 MHz (corresponding to channels: 23 and 83) are identified for utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842 using two 25 kHz contiguous channels. From 1 January 2017, the frequencies 157.125 MHz and 161.725 MHz (corresponding to channel: 82) are identified for the utilization of the digital systems described in the most recent version of Recommendation ITU-R M.1842.
The frequency bands 157.025-157.175 MHz and 161.625-161.775 MHz (corresponding to channels: 80, 21, 81, 22, 82, 23 and 83) can also be used for analogue modulation described in the most recent version of Recommendation ITU-R M.1084 by an administration that wishes to do so, subject to not claiming protection from other stations in the maritime mobile service using digitally modulated emissions and subject to coordination with affected administrations.

ww. In Region 2, the frequency bands 157.200-157.325 and 161.800-161.925 MHz (corresponding to channels: 24, 84, 25, 85, 26 and 86) are designated for digitally modulated emissions in accordance with the most recent version of Recommendation ITU-R M.1842.

In Canada and Barbados, from 1 January 2019 the frequency bands 157.200-157.275 and 161.800-161.875 MHz (corresponding to channels: 24, 84, 25 and 85) may be used for digitally modulated emissions, such as those described in the most recent version of Recommendation ITU-R M.2092, subject to coordination with affected administrations.

x. From 1 January 2017, in Angola, Botswana, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, Democratic Republic of the Congo, Seychelles, South Africa, Swaziland, Tanzania, Zambia and Zimbabwe, the frequency bands 157.125-157.325 and 161.725-161.925 MHz (corresponding to channels: 82, 23, 83, 24, 84, 25, 85, 26 and 86) are designated for digitally modulated emissions.
From 1 January 2017, in China, the frequency bands 157.150-157.325 and 161.750-161.925 MHz (corresponding to channels: 23, 83, 24, 84, 25, 85, 26 and 86) are designated for digitally modulated emissions.

xx. From 1 January 2019, the channels 24, 84, 25 and 85 may be merged in order to form a unique duplex channel with a bandwidth of 100 kHz in order to operate the VDES terrestrial component described in the most recent version of Recommendation ITU-R M.2092.

y. These channels may be operated as single or duplex frequency channels, subject to coordination with affected administrations.

z. Until 1 January 2019, these channels may be used for possible testing of future AIS applications without causing harmful interference to, or claiming protection from, existing applications and stations operating in the fixed and mobile services.

From 1 January 2019, these channels are each split into two simplex channels. The channels 2027 and 2028 designated as ASM 1 and ASM 2 are used for application specific messages (ASM) as described in the most recent version of Recommendation ITU-R M.2092.

zx. In the United States, these channels are used for communication between ship stations and coast stations for the purpose of public correspondence.

zz. From 1 January 2019, channels 1027, 1028, 87 and 88 are used as single-frequency analogue channels for port operation and ship movement.

See the U.S. VHF Marine Radio Frequencies and Channels

(Source: Final Acts WRC-14 World Radio Conference, Geneva 2015)

Half-duplex channels here are listed with the A and B frequencies the same. The frequencies, channels, and some of their purposes are governed by the ITU. For an authoritative list see.[3] The original allocation of channels consisted of only channels 1 to 28 with 50 kHz spacing between channels, and the second frequency for full-duplex operation 4.6 MHz higher.

Improvements in radio technology later meant that the channel spacing could be reduced to 25 kHz with channels 60 to 88 interspersed between the original channels.

Channels 75 and 76 are omitted as they are either side of the calling and distress channel 16, acting as guard channels. The frequencies which would have been the second frequencies on half-duplex channels are not used for marine purposes and can be used for other purposes that vary by country. For example, 161.000 to 161.450 MHz are part of the allocation to the Association of American Railroads channels used by railways in the USA and Canada.[4]

Channel number	Frequencies (MHz)		United Kingdom [5]	United States	Canada	Australia	New Zealand	Finland[1]	Europe CEPT [6]Mediterranean countries (Sea, Ocean)	Belgium France Germany Netherlands Switzerland CCNR: Main stem, River, Canal, Lake, Pond, Estuary [7] · [8]
Channel number	A Usually ship stations	B Usually coast stations	United Kingdom [5]	United States	Canada	Australia	New Zealand	Finland[1]	Europe CEPT [6]Mediterranean countries (Sea, Ocean)
0	156.000	160.600	Private, coast guard A
1	156.050	160.650		Ship-to-ship/shore, commercial and safety West Coast A	Public Correspondence (Ship-to-Shore full-duplex) BC Coast			Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways.. (Ship-to-Shore full-duplex)
2	156.100	160.700			Public BC Coast			Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways.. (Ship-to-Shore full-duplex)
3	156.150	160.750		A Illegal for public use1	Public BC Coast/Inland		Boat to Boat - Kawau	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks, Customs Coast Guard, search and rescue	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways. (Ship-to-Shore full-duplex)
4	156.200	160.800			Ship-to-ship/shore, commercial and safety East Coast and Inland A Canadian Coast Guard - public working channel BC Coast4 A		Boat to Boat - Tutukaka/Raglan	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks, Customs Coast Guard, search and rescue	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks
5	156.250	160.850			Ship Movements			Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks, authorities responsible	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways.. (Ship-to-Shore full-duplex)
6	156.300	156.300	Ship-to-ship + Ship-to-Air A		Ship-to-ship + Ship-to-Air A	Distress - Ship-to-Air	Working - Intership	A Ship-to-ship also SAR: Ship-to-Ship + Ship-to-Air	Ship-to-ship + Ship-to-Air A	Ship-to-ship (limited to 1 watt) + Ship-to-Air
7	156.350	160.950			General working channel			Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Navy	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways.. (Ship-to-Shore full-duplex)
8	156.400	156.400	Ship-to-ship A		Ship-to-ship East and west coasts, Lake Winnipeg A	Working - Intership	Working - Intership	A Ship-to-ship	A Ship-to-ship	A Ship-to-ship (limited to 1 watt)
9	156.450	156.450	Frequently used by pilots A	Calling A , commercial and non-commercial.	Ship-to-air for maritime support Atlantic and BC coasts A	Pilots, Port Operations	Port Operations	A VTS (Ship-to-ship + Port Operations	Marina pilots, MarinaOperations, Ship in a marina	Marina pilots, Marina Operations, Ship in a marina (limited to 1 watt)
10	156.500	156.500	Frequently used by HM Coastguard A		Ship-to-air - SAR and antipollution A General working - Atlantic and BC coasts, Great Lakes		Port Operations	A Ship-to-ship Port Operations also SAR and oil cleanup only VTS on Gulf of Finland	International watersShip-to-ship ; Customs Coast Guard, Navy	Calling ; Ship-to-ship ; Customs, On board working (limited to 1 watt) Distress, safety and calling
11	156.550	156.550	Port Operations		VTS - BC Coast Pilotage A		Port Operations	A Port Operations	Navy	Port Operations
12	156.600	156.600	Port Operations	VTS - San Francisco offshore Pilotage A	VTS - BC Coast Port and pilot ops A	Port Operations, VTS	Port Operations	A Port Operations	Commercial port operations, fishing port operations, pilots, Ship in a fishing port, Ship in a Commercial port
13	156.650	156.650	Bridge-to-Bridge Working A	Bridge-to-Bridge safety A : Vessels > 20m must maintain watch, Tx limited to 1 watt. Movable bridge / lock operations.	VTS - BC Coast Bridge-to-bridge safety A	Port Operations, VTS	Intership Nav Safety	A Pilots Ship-to-ship Port Operations	Port Operations, Coast Guard	Ship-to-ship (limited to 1 watt)
14	156.700	156.700	Port Operations	VTS - San Francisco Bay and Delta Pilotage A	VTS - BC Coast Port and pilot ops A		Port Operations	A Working channel for SAR authorities, Turku Radio (Port Operations)	Port Operations, Navy	Port Operations
15	156.750	156.750	On board working (limited to 1 watt) A					A max 1 W Intraship Ship-to-ship Port Operations	beach monitoring	Radiocommunications on board a ship or in a group of boats towed or pushed, as well as those concerning the instructions for the maneuver bullish and docking. (limited to 1 watt)
16	156.800	156.800	International distress, safety and calling A All vessels equipped with VHF must maintain watch.							Estuary (16 + 10). Not used on: Main stem, River, Canal, Lake, Pond.
17	156.850	156.850	On board Working A				Aquatic Sports Events	A max 1 W Intraship Ship-to-ship Port Operations	Port Operations, Navy, Maritime Gendarmerie	Radiocommunications on board a ship or in a group of boats towed or pushed, as well as those concerning the instructions for the maneuver bullish and docking. (limited to 1 watt)
18	156.900	161.500						Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
19	156.950	161.550		Landside facilities: harbormaster, marinas.	Canadian Coast Guard - Working Channel			Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
20	157.000	161.600				Repeater Operations	Continuous Weather Maritime Safety Service	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Port Operations, Public Correspondence (Ship-to-Shore full-duplex)	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex), (limited to 1 watt Paris Underground canal)
21	157.050	161.650		A U.S. Coast Guard Only	Continuous marine broadcasts B (WX 8)		Continuous Weather Maritime Safety Service	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Port Operations
22	157.100	161.700		A U.S. Coast Guard—public working channel2			Continuous Weather Maritime Safety Service	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Port Operations, Public Correspondence (Ship-to-Shore full-duplex)	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
23	157.150	161.750	HM Coastguard Maritime Safety Information - Now on 62,63,64	A U.S. Coast Guard Only			Continuous Weather Maritime Safety Service	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Port Operations, Public Correspondence (Ship-to-Shore full-duplex)	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex), Independent radio networks
24	157.200	161.800	UKSAR G/A Winching A UKSAR TWC B					Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
25	157.250	161.850					Maritime Radio Working Channel	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
26	157.300	161.900	HM Coastguard Maritime Safety Information	Public correspondence (marine telephone operator)				Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
27	157.350	161.950						Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
28	157.400	162.000						Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
31	157.550	162.150								(The Netherlands) Marina channel Public Correspondence (Ship-to-Shore full-duplex)
M1/37A	157.850	157.850	(As M1) Yacht clubs, race committees and marinas
60	156.025	160.625						GOFREP on Gulf of Finland Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
61	156.075	160.675		A Illegal for public use1				GOFREP (Estonia) on Gulf of Finland Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
62	156.125	160.725	HM Coastguard Maritime Safety Information				Boat to Boat - Waiheke/Whangaroa	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Public Correspondence (Ship-to-Shore full-duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
63	156.175	160.775	HM Coastguard Maritime Safety Information (half-duplex)				Boat to Boat - Manukau	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Coast Guard, Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
64	156.225	160.825	HM Coastguard Maritime Safety Information (half-duplex)	A Illegal for public use1				Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Coast Guard, Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore full-duplex)
65	156.275	160.875	National Coastwatch Working Channel for communication with local mariners for radio checks and local sea conditions. Effective 1 October 2014.		Marine Assistance Working Channel		Boat to Boat - Coromandel	Public Correspondence (Ship-to-Shore full-duplex) Port Operations	Coast Guard, Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
66	156.325	160.925			Marinas - BC Coast A			Public Correspondence (Ship-to-Shore Duplex) Port Operations	Public Correspondence (Ship-to-Shore Duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
67	156.375	156.375	UK Small Ship Safety Channel			Working Channel, Marine Weather	Maritime Radio Working Channel	A VTS (Ship-to-ship + Port Operations)	Coast Guard	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
68	156.425	156.425		Non-commercial A			Maritime Radio Working Channel	A Port Operations	Coast Guard	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
69	156.475	156.475	Port Operations	Non-commercial A		Australian Navy	Maritime Radio Working channel Surf Lifesaving	A Ship-to-ship Port Operations	Navy	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
70	156.525	156.525	Digital Selective Calling A							Not used on: Main stem, River, Canal, Lake, Pond.
71	156.575	156.575		Non-commercial A			Maritime Radio Working Channel	A VTS (Ship-to-ship + Port Operations) Port Operations	Navy	Port Operations
72	156.625	156.625	Ship-to-ship A	Non-commercial ship-to-ship A	Ship-to-ship			A Ship-to-ship Ship-to-air	A Ship-to-ship, communications with a social (ship)	A Ship-to-ship, communications with a social (ship) (limited to 1 watt)
73	156.675	156.675	HM Coastguard Safety Broadcasts			Ship-to-ship	Marinas - Working	A Ship-to-ship Ship-to-air (Port Operations)	Port Operations, Navy	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
74	156.725	156.725	British Waterways/Canal and River Trust Channel (Canal and River System)			Ship-to-ship	Working - Coast/Ship	A Port Operations	Port Operations, Navy, Maritime Gendarmerie	Port Operations
75	156.775	156.775	Navigation related communications (limited to 1 watt)					A Restricted Ship-to-ship Port Operations	A Restricted Ship-to-ship Port Operations, (limited to 1 watt)	Port Operations
76	156.825	156.825						A Restricted Port Operations	A Restricted Ship-to-ship Port Operations, (limited to 1 watt)	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
77	156.875	156.875	Ship-to-ship A			Ship-to-ship		A Ship-to-ship	A Ship-to-ship, communications with a social (ship)	A Ship-to-ship, communications with a social (ship) (limited to 1 watt)
78	156.925	161.525		Non-commercial A				Public Correspondence (Ship-to-Shore Duplex) Port Operations	Public Correspondence (Ship-to-Shore Duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
79	156.975	161.575						Public Correspondence (Ship-to-Shore Duplex) Port Operations	Customs Coast Guard, search and rescue, Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
80	157.025	161.625	UK Marina Channel			Repeater Operations	Coastguard Radio - Working Channel	GOFREP on Gulf of Finland Public Correspondence (Ship-to-Shore Duplex) Port Operations	Customs, Coast Guard, search and rescue, Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
81	157.075	161.675		A U.S. Government Use Only		Repeater Operations	Coastguard Radio - Working Channel	GOFREP (Estonia) on Gulf of Finland Public Correspondence (Ship-to-Shore Duplex) Port Operations	Public Correspondence (Ship-to-Shore Duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
82	157.125	161.725		A U.S. Government Use Only	Canadian Coast Guard - Working Channel		Coastguard Radio - Working Channel	Public Correspondence (Ship-to-Shore Duplex) Port Operations	Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
83	157.175	161.775		A U.S. Coast Guard Use Only	Canadian Coast Guard - Working Channel			Public Correspondence (Ship-to-Shore Duplex) Port Operations	Public Correspondence (Ship-to-Shore Duplex) Port Operations	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
84	157.225	161.825	HM Coastguard Maritime Safety Information - Now on 62,63,64				Coastguard Radio - Working Channel	Public Correspondence (Ship-to-Shore Duplex) Port Operations	Public Correspondence (Ship-to-Shore Duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
85	157.275	161.875	UKSAR TWC (half-duplex)		Radio Telephone - full duplex		Coastguard Radio - Working Channel	Public Correspondence (Ship-to-Shore Duplex) Port Operations	Navy	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
86	157.325	161.925	HM Coastguard Maritime Safety Information- Now on 62,63,64				Coastguard Radio - Working Channel	Public Correspondence (Ship-to-Shore Duplex) Port Operations	Navy	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
87	157.375	157.375						Public Correspondence Port Operations	Public Correspondence (Ship-to-Shore Duplex), Independent radio networks, Customs Coast Guard, search and rescue	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
88	157.425	157.425						Commercial, Intership only.	Public Correspondence (Ship-to-Shore Duplex), Independent radio networks	Radiotelephone links between ship stations and land stations of the authorities responsible for the operation of inland waterways (Ship-to-Shore Duplex)
M2/P4	161.425	161.425	(As M2) Yacht clubs, race committees and marinas							(As P4) In France, some yacht clubs, marinas and race committees
87B	161.975	161.975	Automatic Identification System A & B
88B	162.025	162.025	Automatic Identification System A & B

[9] Notes:

Some radios enable channels 3A, 61A, and 64A when configured for "USA mode" even though those channels are allocated exclusively for Public Safety use by the FCC. The frequencies 156.075, 156.150, and 156.225 MHz are used for interoperability communication by police and fire departments in many areas.
Channel 22A is reserved for communication between the U.S. Coast Guard vessels and private vessels. The Coast Guard does not monitor 22A: Contact must first be established on 16.
UKSAR land-based search and rescue teams have access to the half-duplexed versions of 24, 62, 63, 64, 85 for operational and training needs. These include mountain rescue teams in England, Wales and Scotland.
CCG public operations moved from 22A to 04A to avoid interference from USCG stations in northern Washington state.

Operating procedure[edit]

The accepted conventions for use of marine radio are collectively termed "proper operating procedure". These international conventions include:

Stations should listen for 30 seconds before transmitting and not interrupt other stations.
Maintaining a watch listening on Channel 16 when not otherwise using the radio. All calls are established on channel 16, except for distress working switch to a working ship-to-ship or ship-to-shore channel. (procedure varies in the U.S. only when calls can be established on Ch. 9)
During distress operations silence maintained on ch 16 for other traffic until the channel is released by the controlling station using the pro-word "Silence Fini". If a station does use Ch 16 during distress operations controlling station issues the command "silence mayday".
Using a set of international "calling" procedures such as the "Mayday" distress call, the "Pan-pan" urgency call and "Sécurité" navigational hazard call.
Using "pro-words" based on the English language such as Acknowledge, All after, All before, All stations, Confirm, Correct, Correction, In figures, In letters, Over, Out, Radio check, Read back, Received, Repeat, Say again, Spell, Standby, Station calling, This is, Wait, Word after, Word before, Wrong (local language is used for some of these, when talking to local stations)
Using the NATO phonetic alphabet: Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu
Using a phonetic numbering system based on the English language or a combination of English and Roman languages: Wun, Too, Tree, Fow-er, Fife, Six, Sev-en, Ait, Nin-er, Zero, Decimal; alternatively in marine communication: unaone, bissotwo, terrathree, kartefour, pantafive, soxisix, setteseven, oktoeight, novenine, nadazero

Slightly adjusted regulations can apply for inland shipping, such as the Basel rules in Western Europe.

国际海事VHF无线电频道说明

NOTES FROM THE TABLE ABOVE:

Operating procedure[edit]

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