Vhf channel 22a. 305 Watch requirements of the Communications Act and the Safety C...

Vhf channel 22a. 305 Watch requirements of the Communications Act and the Safety Convention. That is, the international channel 1005 has been designated in the U. Channel 13 (156. Sep 26, 2016 · The Coast Guard announces storm warnings and other urgent marine information broadcasts on VHF channel 16 before making the broadcasts on VHF channel 22A and 2670 kHz respectively. that are listed for barge to terminal traffic. Coverage plots assume a mobile transmitter power of 1 watt or greater at sea level over water. Includes HD video views of May 14, 2023 · Similar Threads Thread Thread Starter Forum Replies Last Post B&G V60-B gregorybross Marine Electronics 6 18-06-2025 10:39 B&G V60 VHF Screen Nsail Marine Electronics 3 24-10-2024 21:11 Feb 18, 2025 · Channel 22A VHF radio is the designated Coast Guard liaison channel. 7 Communications with coast stations 1. Coast Guard broadcasts coastal forecasts and storm Warnings of interest to the mariner on VHF channel 22A following an initial announcement on VHF channel 16. 1 MHz, and can receive UMIBs transmitted by the Coast These new channel numbers, now recognized internationally, were previously designated in the U. Navy. VHF channel 16 continuous watch. C. S. When the two sets following a channel number are the same, that is a simplex freq. They are International, Canada and the US mode. Jun 25, 2009 · VHF-FM on Ch-13 in most areas of the continental United States. ) How do I know if my radio is transmitting? You can request a radio check. USCG recommends use of the 10xx channel designators for the old A designators for simplex channels (for example, 22A becomes 1022). Dec 16, 2025 · Rescue 21 Distress System Coverage VHF Distress Coverage Charts Charts showing predicted areas of VHF National Distress System coverage can be downloaded in . Those channels simplex in the US but not when operating in International mode, thus the Alpha designation in the US. 1. Nov 2, 2021 · The Global VHF Marine Band The VHF Marine Band is a globally allocated and coordinated radio service. Jan 19, 2022 · Coastal Maritime Safety Broadcasts VHF Marine Radio Broadcasts. We've marked the areas which most apply to pleasure boating in RED. US channel 05A is now designated and recognized internationally by the channel 1005, and the US Coast Guard channel 22A is now designated and recognized internationally by the channel “1022”. Those US channels with A appended are now renumbered as 1022 instead of 22A. As he states on the international mode, your set is receiving at 161. Canada uses a "B" after a channel number for broadcast use of the shore frequency of a duplex channel. Users may be fined by the FCC for improper use of these channels. 305 (a) (2) Keep a continuous and efficient watch on the VHF distress frequency Feb 24, 2017 · Popular examples include 21A, 22A, and 23A -- channels that are used by the Coast Guard. Under the 4 digit channel numbering system, the B channels are re-designated under 20xx series. Oct 4, 2009 · Re: What does VHF Channel suffix "A" mean As I recall some channels transmit and recieve on two different frequency's even though the radio says a single channel is tuned. The use of four-digit designations for VHF Marine Band channels goes back about nine years The USCG announces storm warnings and other urgent marine information broadcasts on VHF Channel 16 before making the broadcasts on VHF Channel 22A. If you notice any discrepancy between these two lists, please notify us at [email protected]. Sep 3, 2022 · "A" after channel number - simplex operation on the ship frequency of a duplex (send/receive frequencies) channel. Some channels are not available in all areas or regions and are noted as such in the description field. Jul 29, 2023 · This table shows the difference between the United States, Canadian and International VHF marine channels. Channel 21B, 83B: Continuous Marine Broadcast (CMB) service (in English) transmits severe weather warnings, ice information, hazards to navigation, and other safety warnings. 500 kHz. For a complete list of U. Sep 11, 2022 · Channels 68, 69, 71, 72, and 78A are considered non- commercial channels, and in most areas, 68 and 72 are commonly used by the recreational-boating community. S. To improve effectiveness in the use of the VHF maritime band, new Marine VHF radios will display four-digit channel numbers. All ships of length 20m or greater are required to guard VHF channel 13, in addition to VHF channel 16, when operating within U. What channel must VHF-FM-equipped vessels monitor at all times when the vessel is at sea? Channel 16. Detailed avionics part information page for Collins Aerospace VHF-22A VHF Comm with price, availability, stock, inventory, features, specifications, and description. Also, see the VHF Marine Channel Renumbering for Great Lakes Region Thread -- Jan 2017. Aug 21, 2022 · Maritime Operations Marine VHF 1A-88A Channels listed here are the US recognized 25kHz spaced channels from 1A to 88A, and are the most widely used. It’s crucial to understand how to operate your VHF radio properly and know the purposes of each channel to ensure effective and appropriate usage. See our AIS article for information on this mode, and available decoders. The allocated band is organized into assigned channels, and marine radio dials almost always refer to the frequency in use by a channel designator instead of an actual frequency The prefix “10” serves this same purpose. Channel 13 should be used to contact a ship when there is danger of collision. Channel numbering for VHF is changing. Boaters should normally use channels listed as Non What channel must VHF-FM-equipped vessels monitor at all times when the vessel is at sea? Channel 16. e. 8 MHz) VHF-FM is designated by the FCC (Federal Communications Commission) as the national distress, safety and calling frequency. The National Weather Service also offers marine forecasts and real-time observations from buoys and coastal meteorological stations, which can be accessed through the NOAA Weather Radio (NWR) network. Nov 7, 2024 · Attention Mariners: Effective immediately, you may hear a four digit channel name associated with an Urgent Marine Information Broadcast (UMIB), in addition to the two digit name. Jun 4, 2024 · Here are the 10 steps of how to talk on a marine VHF radio with the correct procedure and etiquette. 1 On VHF channels allocated to port operations service, the only messages permitted are restricted to those relating to the operational handling, the movement and the safety of ships and, in emergency, to the safety of persons; as the use of these channels for ship-to-ship communications may cause serious interference to communications related to the . Hope these help. These are the "A" alpha channels. 1 MHz, and can receive UMIBs transmitted by the Coast GPS Constellation NANUS, Almanacs, OAs, SOFs Report a GPS Disruption GPS User Issue Detection & Evaluation (GUIDE) Tool Planned/Known GPS Service Interruptions Civil GPS Service Interface Committee (CGSIC) Channel 16 (156. "Shift and answer Channel 22 Alpha" means "Change your radio to Channel 22A. After contacting your party switch to another channel for conversation. Units with -0X2 part numbers have a wider band- Sep 23, 2008 · The 22a of the US and Canadian modes have Coast Guard station transmit on 157. territorial waters. channel 22A is the same as channel 1022"). VHF channel 16 safety tips and protocols Customer Service Care Centre BVI Charter Chat 21w · Public Day 7 : VHF Channel 16 🔊VHF Channel 16 Safety Tips ⚓ 📻Use Channel 16 only for distress, safety, and calling other stations. Channel 22A is typically used as a liason frequency between the USCG & the public. Notify the local vessel traffic service control station of your intention to contact a specific vessel, and request the VTS operator place the call on channel 22A. US channel 05A is now designated and recognized internationally by the channel 1005, and the US Coast Guard channel 22A is now designated and recognized internationally by the channel “1022”. Sure enough, when the coast guard makes an announcement on channel “22 Alpha” I am unable to hear Aug 12, 2009 · Channel 22 Alpha is Channel 22A on your radio. 650 MHz): This channel broadcasts the movement of large commercial vessels, and can be useful to recreational boaters navigating crowded harbors. Coast Guard channel 1022 has been designated in the U. (duplex) if set on channel 22 international. Instead of trying to convert a non-Part 80 radio, why don't you just use a Part 80 radio? Please note, channel numbers previously designated by a two-digital channel number ending with the letter A are now recognized internationally by a four-digit channel number beginning with a “10. Coast Guard communications; after hailing on 16, you're usually asked to switch to 22A. as channel 22A. Aug 12, 2009 · Channel 22 Alpha is Channel 22A on your radio. Anything with an "A" (also referred to as "Alpha") following the channel number, is the US mode. 305 (a) (2) Keep a continuous and efficient watch on the VHF distress frequency Nov 21, 2022 · VHF frequencies are the frequencies that are used by the VHF radio waves, while VHF channels are the specific frequencies that are assigned to specific uses. The VHF frequencies typically provide shorter range communications out to about 50 miles (depending on antenna height). VHF-FM on Ch-16. Mar 8, 2019 · I noticed that my older Standard Horizon “Intrepid” doesn’t display an “A” after channels 22 and 23. , 1-3A2 All compulsory equipped cargo ships (except those operating under GMDSS regulations or in a VTS) while Aug 27, 1998 · See Marine Radio Watch Requirements for further information. Inasmuch as ships sail all around the world, it only makes sense that ship radios should be useful in all countries. B. 1 MHZ) from over 200 sites covering the coastal areas of the U. The prefix “10” serves this same purpose. Sep 3, 2021 · List of VHF-FM Marine radio non-commercial channels recreational boaters may use in specific situations. By contacting a public coast station, you can make and receive calls from telephones on shore. DSC on Ch-70. A shipboard radio tuned to channel 1022 (US mode) both transmits and listens on 157. VHF channel 22a continuous watch at sea. ) You can also try some of the Commercial VHF Marine freqs. The vessel’s VHF working frequency. Current Status: VHF communications in Port Hueneme are primarily ship-to-shore via Channels 16 and 14 for the Oxnard Harbor District Harbormaster and Channels 16 and 6 for the U. Ch-06. 100 MHz) and 22B (161. Channel 23B, 28B: Continuous Marine Broadcast (CMB) service in French. Do so on Channel 9 or another working channel. 250' those are the actual frequencies used for that channel. SET the radio to channel 16 SAY clearly: Mayday, Mayday, Mayday SAY "This is" and the name of your vessel three times. GPS Constellation NANUS, Almanacs, OAs, SOFs Report a GPS Disruption GPS User Issue Detection & Evaluation (GUIDE) Tool Planned/Known GPS Service Interruptions Civil GPS Service Interface Committee (CGSIC) It is essential that this channel be protected. The American Sternwheel Association is supplying the following information to ALL boaters who use marine VHF radios. There are 3 mode settings on your radio. For channel usage see the Marine VHF Channels wiki page or the links below the table. 47 CFR 80. Aug 1, 2006 · Instruct the nearest public correspondence station to add the desired ship's call sign to the station's traffic list. A VHF set and a VHF channel 70 DSC set, the DSC on top A vintage (76–89) marine VHF radiotelephone Marine VHF radio is a worldwide system of two-way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship, ship-to-shore (for example with harbormasters), and in certain circumstances ship-to-aircraft. Feb 18, 2025 · Channel 22A VHF radio is the designated Coast Guard liaison channel. The U. Feb 18, 2026 · Learn how to use a marine VHF radio properly, including channel rules, distress calls, and communication protocols every boater should know. Not on Channel 16. VHF Channels Dec 10, 2018 · Maritime Operations Marine VHF 1-87 Channels listed here are the Canadian recognized 25kHz spaced channels from 1 to 87, and are the most widely used. Jun 25, 2009 · 1-3A1: Radio watches for compulsory radiotelephone stations will include the following: VHF channel 16 continuous watch. Aug 18, 2024 · The Coast Guard's main working VHF Channel is 22A, and both emergency and non-emergency calls generally are switched to it in order to keep VHF Channel 16 clear. On the VHF-21/22(A/B), the last three digits of the equipment part number define the bandwidth of the receiver cir- cuits. Aug 10, 2023 · Marine weather alerts are vital for recreational and commercial vessels and are available on select channels. 1 MHz, and can receive UMIBs transmitted by the Coast VHF Channel 16 is the international distress, safety, and calling channel. Nov 13, 2024 · The prefix “10” serves this same purpose. D. In VHF Marine Radio Accordion Guidelines for the use of marine VHF radio Example of proper calling VHF Radio Checks Moved to VHF Channel 09 Channel 16 Mar 1, 2009 · United States VHF Marine Frequency List Courtesy Frederick R. Coast Guard sent this bulletin at 11/04/2024 07:02 AM EST VHF Marine Radio Accordion Guidelines for the use of marine VHF radio Example of proper calling VHF Radio Checks Moved to VHF Channel 09 Channel 16 Detailed avionics part information page for Collins Aerospace VHF-22A VHF Comm with price, availability, stock, inventory, features, specifications, and description. 121. once comms have been established on Ch. Give a brief description of your location and problem. 1-2A4: D 1-2A5: C 3: Watchkeeping 1-3A1 Radio watches for compulsory radiotelephone stations will include the following: VHF channel 22a continuous watch at sea. , including the Great Lakes, major inland waterways, Puerto Rico, Alaska, Hawaii and Guam. Mar 13, 2026 · Detailed avionics part information page for Collins Aerospace 622-6152-001 VHF-22A VHF Comm with price, availability, stock, inventory, features, specifications, and description. 1) is used extensively as a two-way simplex channel and designated Channel 22A or Channel 22 US Mode. 1000, and the receiver is on 157. Coast Guard VHF Distress and Safety Coverage Charts. Mar 16, 2010 · The high part (161. Oct 1, 2014 · Channel 22A: The U. Dec 12, 2023 · 16, along with others like channels 9 for hailing other boats and 22A for maritime safety information, are monitored continuously and are your go-to frequencies for assistance and vital information. four-digit channel numbers beginning with "10" (e. VHF (Very High Frequency) radio communication uses specific channels for various purposes, and the alloca-tion of these channels may vary by region or country. In Feb 18, 2026 · Learn how to use a marine VHF radio properly, including channel rules, distress calls, and communication protocols every boater should know. 700. The Coast Guard transmits urgent marine information broadcast (UMIB) safety warnings and communicates with mariners on VHF channel 1022 (previously channel 22A). 1(fn5), 7, 8, 9, 10, 11, 18, 19, 63(fn5), 67, 72(fn7), 79, 80, 88(fn1) PUBLIC CORRESPONDENCE (MARINE OPERATOR) - Use these channels to call the marine operator at a public coast station. After you make initial contact with the Coast Guard on Channel 16 in an emergency or for important communication, they will typically instruct you to switch to Channel 22A. Units with -0X1 part numbers have a narrow bandwidth and are intended for operation in areas using 25-kHz channel spacing with or without offset carriers. Chuck Hawley explains. 16 23A USCG Only (I have heard USCG helicopters transiting the area to request flight following on this freq. Some channels are not available in all areas or regions and are noted as such in the description field Channel 13 is used for vessel bridge-to-bridge communications and is heavily trafficked by commercial ships for intership navigation. MAYDAY Radio Checks and other Hoaxes Use channels 8, 67, 72 and 88 only for ship-to-ship messages. Channel 22A: Communications between the Canadian Coast Guard and non-Coast Guard stations only. Marine radios are built to accommodate these two different ways of using the duplex channels. " Having that "A" is very important. g. Jun 11, 2011 · 22A USCG Safety or working freq. If time permits, scan through the other channels and interrupt any radio traffic you hear with your Mayday broadcast. Also learn about the correct channels to communicate over. All vessels must monitor this channel while underway. ) Sep 8, 2025 · Table E. ” For example, channel 22A is now 1022. You may hear an announcement on channel 16 telling interested boaters to switch to 22A to hear the message. These new channel number designations are being displayed on new models of VHF marine radios. 73's 73 U. See the Federal Communications Commission's Marine VHF Radio Channels page. However, there are standard VHF marine channels that are commonly used worldwide for specific types of communication. Oct 9, 2015 · The impetus for this change in use of channel names spoken during USCG information broadcasts is apparently due to the influx of newer VHF Marine Band radios in use that no longer provide the legacy "A" and "B" channel suffix designations, such as "Channel 22A" in the radio's channel selector display. Study with Quizlet and memorize flashcards containing terms like 1-3A1 Radio watches for compulsory radiotelephone stations will include the following: A. 🗣️Keep it clear — move to a working channel such as 68, 69,71 or 72 after making contact. But remember that the VHF is officially for "operational" purposes. VHF Marine Radio Procedures In La Paz The La Paz Port Captain has assigned VHF channel 22a to Club Cruceros and the cruising fleet as the local hailing channel. by the two-digit channel number ending with the letter 'A'. Ch-70. jpg format. the USCG uses 22A. Aug 10, 2023 · The U. Let Go of the microphone key to listen for an answer! If no answer: Repeat above and include description of your vessel, number of people, and exact nature of the emergency. The 4-digit naming changes that to 1022 and 2022 instead of 22A (157. 21A, 23A, 81A, & 83A are USCG-USCG frequencies (intra-working channels). And Channel 22A is used for safety broadcasts and U. 700 MHz). 22 is one of them. Can amateur radio broadcast on marine VHF frequencies Yes, in most countries amateur radio operators are allowed to install and use amateur radio equipment on boats. Ch-16. 1-14C6: What channel would you use to place a call to a shore telephone? Ch-28. While out in the islands or away from La Paz continue to switch to another channel after hailing as the signal DUPLEX EXPLAINED: What every VHF user should already know, but maybe you don't! Frequency chart for use in the USA Note that following the channel numbers below, you see numbers like '156. Storm warnings and forecasts are also made by NOAA Weather Radio. The FCC page does not include frequency information, but has more complete information on the use of the channels. VHF Channel 65A is the pilot's primary channel for ship-to-ship communications. The Coast Guard announces storm warnings and other urgent marine information broadcasts on VHF channel 9 before making the broadcasts on VHF channel 22A. Aug 27, 1998 · See Marine Radio Watch Requirements for further information. May 21, 2025 · The USCG are heavy users of the Marine VHF Channels; Channel 16 is reserved for distress, safety and calling, while channel 22A is utilized for special warnings, Marine Safety and other announcements. 1 – U. 100 MHz): This frequency is intended for the USCG to broadcast important information for boaters. 5 MHz continuous watch at sea. VHF marine radio channels, please visit The Navigation Center for Excellence. Coast Guard Liaison and Maritime Safety Information channel is used for Coast Guard marine information broadcasts. The rightmost column labled Common indicates the channels which are the same in all three band plans. 7) is not used but the low side (157. 100. In Sep 8, 2025 · Table E. Vobbe, W8HDU Updated: March 1, 2009 Sep 11, 2024 · VHF Marine Channels - USA Channels - US Channels New and Old Channel Numbering 4-digit channel numbers for simplex frequenciessome channels are still two-digit. Apr 13, 2020 · What are marine VHF frequencies? It uses FM channels in the very high frequency (VHF) radio band in the frequency range between 156 and 174 MHz, inclusive, designated by the International Telecommunication Union as the VHF maritime mobile band. Although licensing is no longer required, we sincerely hope that all will adhere to the rules of proper channel selection AND exercise proper radio courtesy. VHF marine channels and frequencies Note that the letter "A" is also used to indicate simplex use of the ship station transmit side of an international duplex channel, i. Sep 11, 2024 · VHF Marine Channels - USA Channels - US Channels New and Old Channel Numbering 4-digit channel numbers for simplex frequenciessome channels are still two-digit. Coast Guard broadcasts coastal forecasts and storm warnings on VHF channel 22A following an initial announcement on VHF channel 16. Feb 2, 2011 · However, use of these channels will vary from port to port and VTS to VTS. Code of Federal Regulations, Title 47 Chapter I Subchapter D Part 80 Subpart G - Safety Watch Requirements and Procedures § 80. Oct 30, 2013 · To access WX Band stations, push the "WX" button on your radio. by channel 05A, and the U. Urgent marine navigational and weather information is broadcast over VHF channel 1022 (old channel 22A) (157. Storm Warnings? The Coast Guard announces storm warnings and other urgent marine information broadcasts on VHF channel 16 before making the broadcasts on VHF channel 22A and 2670 kHz respectively. Other frequencies utilized vary from sector to sector. 1 MHz, and can receive UMIBs transmitted by the Coast The frequencies in each pair used to be referred to as A and B, e. The Coast Guard sends out as a matter of routine aircraft to broadcast hurricane and storm warnings mariners both inshore and off. Channel 22A (157. 1-14C5: Which channel would most likely be used for routine ship-to-ship voice traffic? Ch-08. If you don't hear traffic, try transmitting on Coast Guard Channel 22A. Apr 11, 2024 · ALCOAST 414/24 - NOV 2024 USE OF FOUR DIGIT VHF-FM WORKING CHANNELS NUMBERS U. Ch-22A. (Most VHFs also include the weather channels. Also available are International VHF Maritime Radio Channels and Frequencies, Narrowband VHF Maritime Channels and Frequencies, Radio Information for Boaters , and U. Nov 7, 2024 · The Coast Guard transmits urgent marine information broadcast (UMIB) safety warnings and communicates with mariners on VHF channel 1022 (previously channel 22A). 7. Mar 27, 2024 · See Marine VHF Band Plans for the difference between US, Canadian, and International channels. jmdhub avndo lcbkd jvcrrh epzjqkt dlzwi hvpej ppdtsf kus fwff