Maritime guard frequency. The Coastguard Boating Education Service is responsible for issuing and updating radio call signs for commercial and recreational boaties. Channel 23B, 28B: Continuous Marine Broadcast (CMB) service in French. Dec 7, 2021 · The Coast Guard is terminating the monitoring of all HF Voice Distress Frequencies (4125 kHz; 6215 kHz; 8291 kHz; and 12290 kHz) in the contiguous United States and Hawaii. 800 MHz (Channel 16) – International Calling and DistressChannel 16 remains the primary calling and emergency frequency for maritime communication. If you have a VHF radio on your boat, Federal Communications Commission (FCC) regulations require that you maintain a watch on either VHF Channel 09 or 16 whenever you are underway and the radio is not being used to communicate on another channel. 983 day primary these are frequencies controlled by the Atlantic Area communications facility in Chesepeak VA. B. 500 mhz Ch 10 Rescue helicopter winch exercise</p> <p> 156. A list of Marine VHF Radio channels and frequencies for use in the USA Great Lakes Fisherman VHF Marine Channels 16, 67, 61, 12, 74 and 97 Live Audio Feed on Broadcastify. MF/HF-SSB Radio - Distress, Urgency, Safety, & Hailing Frequencies The International Telecommunication Union (ITU,) the same organization that sets international regulations and treaties governing Marine VHF usage is also responsible for the Marine Medium and High Frequency spectrum. K. In the United States, NAVTEX is broadcast from Coast Guard facilities in Cape Cod, Chesapeake VA, Savannah GA, Miami FL, New Orleans LA, San Juan PR, Cambria CA, Pt. When calling and working with a coast station use channel 73. Some devices transmit via satellite, while others transmit on terrestrial frequencies, and Massachusetts Harbormasters Association Data from the U. Coast Guard Updated: 13 February 1998 Washington DC 20593 U. 4340 kHz: NATO Combined Submarine Distress. The frequencies are 121. Mar 27, 2024 · See Marine VHF Band Plans for the difference between US, Canadian, and International channels. Maritime VHF Narrowband Channels - 12. g. The United States Coast Guard maintains radio stations for communication between Coast Guard units, Coast Guard units and other government entities, and Coast Guard units and the general public. Mar 1, 2009 · United States VHF Marine Frequency List Courtesy Frederick R. Calling and working frequencies for HF marine radio are in the maritime ship station LCD. S. National Weather Service Marine Products via U. 400 mhz Ch 8</p> <p> 156. Explore M. 5 days ago · In a striking display of maritime vigilance, Indian Navy warship formations operating in the Gulf of Oman have been captured issuing repeated radio transmissions on the international guard frequency to unidentified aircraft and vessels in the region. Channel usage in the Solent and Southampton Water has some differences from that in other areas so we have compiled this guide. Duplex channels allow for communication on two separate frequencies: one for transmitting and one for receiving. 5 MHz for civilian, also known as International Air Distress (IAD), International Aeronautical Emergency Frequency, [1] or VHF Guard, [1] and 243. For any life-threatening marine, fire, police, or medical emergency on the water or shore, dial 911 immediately from any phone. Coast Guard ceased watchkeeping on all High Frequency (HF) shortwave voice (radiotelephone) distress calling frequencies within the contiguous United States and Hawaii, except for Kodiak AK and Guam on 4125 kHz only. 425 mhz Ch68</p> <p> 156. May 21, 2025 · New nationwide United States Coast Guard frequencies, as of January 1, 2005, are listed below. The aircraft emergency frequency (also known in the USA as Guard) is a frequency used on the aircraft band reserved for emergency communications for aircraft in distress. As noted, DSC-capable HF radios have been available for decades and low-cost satellite GMDSS radios are also available. for most river activities and line of sight stuff off shore. 000 mhz Ch 0 Coastguard</p> <p> 156. 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). We would like to show you a description here but the site won’t allow us. Our mission is to provide unbiased coverage of the U. 100 157. Dec 2, 2020 · HF Maritime communications have undergone a radical change over the last several years. 373(f) Type of Message Appropriate channel(s) DISTRESS SAFETY AND CALLING - Use this channel to get the attention of another station (calling) or in emergencies (distress and safety). Coast Guard and other government agencies broadcast different kinds of maritime safety warnings, using a variety of different radio systems to ensure coverage of different ocean areas for which the United States has responsibility, and ensure all ships of every size and nationality can receive this safety information. Most channels are simplex (S), same frequency used for transmission and reception. National maritime authorities assign these frequencies to channels serving domestic needs: search and rescue coordination, national coast guard operations, harbor management, and recreational boating networks. 0 MHz—the second harmonic of VHF guard—for military Very High Frequency (VHF) Radios Very High Frequency (VHF) radios have been around for many years and remain the primary means of communication for vessels throughout the United States. However, cellular phones can have a place on board as an added measure of safety. VHF call signs are indicated as e. In this article, we will delve into the secret This document lists the international VHF marine radio channels and their corresponding frequencies. and V. 4 metres. 150 on High Frequency- USB 5. Unfortunately, the malware involved managed to evade both of our paid security protection systems, which is why we have temporarily taken the Dec 22, 2005 · They use standard VHF marine freqs. Global Maritime Distress and Safety System distress and safety working frequencies are also listed. 300 mhz Ch 6 Ship to ship</p> <p> 156. 5 MHz: International Aeronautical Emergency Frequency. This will connect you to local emergency responders and the Coast Guard as required. Coast Guard only 24 157. 175 156. VHF Marine Radio Channels and Frequencies HF Single Sideband Maritime Radiotelephone Channels Data from the U. Coast Guard only 22A 157. Sep 11, 2024 · VHF Marine Channels USA Channels - Simplex and Duplex See notations below channel list frequency list regarding frequency use, shared portions of the band (156. But Marine VHF Radio: The Basics What is a "Marine VHF Radio"? Although not required in recreational boats under 65. 300 161. Mar 16, 2010 · Marine Scanning in the Maritimes Link to the Canadian Coast Guard's book Radio Aids to Marine Navigation. All frequencies in MHz. What is a marine VHF radio? Marine VHF radio refers to the radio frequency range between 156. For VHF, this is channel 16. As a maritime expert with over a decade of experience in radio communications, I’m here to lift the lid on the hidden world of marine radio frequencies and reveal the secret channels that the Coast Guard might not want you to know about. 050 156. Frequencies used for this purpose in those areas are 01A, 05A, 11, 12, 14, 63A Several channels are "duplex" and not repeated. 550 mhz Ch 11</p> <p> 156. Oct 23, 2024 · HF marine HF- SSB marine bands - these are standardized maritime mobile MF and HF communications bands - note that many maritime mobile users operate outside of these bands and there are dozens of country- or region-specific additional bands/frequencies. The Coast Guard terminated its watch on Medium Frequencies (MF); Voice 2182 kHz, DSC 2187. EPIRB- Emergency Position Indicating Radio Beacon CH 13 - Ships >20m length maintain a listening watch on this channel. 700 mhz Ch 14</p> <p> 156. 700 (Canada &amp; Internationa Three U. Coast Guard VHF Distress and Safety Coverage Charts Marine radio uses narrow band frequency modulation (NFM) for voice communications, and can be received by most analog radio scanners. 150 157. Frequency Listing for U. The main uses of a VHF radio are: Distress calling and safety Ship to shore communications Navigation (vessels to bridges, etc. U. The Coast Guard broadcasts distress alerts here. It describes how VHF maritime channels are defined as used internationally. 6–26 MHz) 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. There are a total of 73 channels listed along with their transmit and receive frequencies in <p> 156. We work to ensure the safety of mariners in Canadian waters and protect Canada’s marine environment. COAST GUARD HF DISTRESS AND SAFETY RADIO WATCHKEEPING SCHEDULE The SELCAL number is used for radiotelex (sitor). Many stations that used to have voice communications have either gone dark or using digital modes, some of which are not readable except to the intended target. 800 mhz Ch 16 Emergency used by Rescue helicopter</p> <p Volunteer marine rescue organisations (Australian Volunteer Coast Guard and Volunteer Marine Rescue) play an important role in delivering the coastal distress marine radio network service. Lists CG radio stations and VTS stations, along with frequencies and scheduled broadcasts, and maps. These broadcasts are prepared cooperatively by the Ocean Prediction Center , National Hurricane Center, Honolulu Forecast RadioLabs - Scanner Products - RadioLabs offers a complete line of Uniden scanners for standards analog, trunking and digital communications. Weather and safety of navigation Marine/Boat VHF Frequencies Channel 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 The Global Maritime Distress and Safety System (GMDSS) was introduced. 800 international distress and calling 157. And with it, a new era began. All ships of length 20m or greater are required to guard VHF channel 13, in addition to VHF channel 16, when operating within U. Those channels are represented by a "TX" (Ship Transmit/Shore Receive) or "RX" (Ship Receive/Shore Transmit) after the channel Apr 1, 2025 · Marine VHF Radio Channels and Their Uses Primary Calling and Distress Channels 156. Aug 27, 1998 · see Narroiwband VHF Maritime Channels and Frequencies see Radio Information for Boaters see U. Coast Guard / NAVCEN Services Contact Us AIS Historical Data Requests Report an ATON Discrepancy Report an LRIT Issue Report an AIS Problem Report an Iceberg Request a Marine Event Permit (Coming Soon!) Sign Up For Email Notifications Oct 3, 2018 · Learn what Channel 16 is for, what Mayday, Sécurité and Pan-Pan calls mean, and most importantly, how to make an effective call should an emergency occur. Frequencies are in MHz. Aug 3, 2025 · The world of marine radio frequencies is a complex and fascinating realm, filled with secret channels, coded messages, and mysterious communications. 950 Marine Operator 28 157. 250 161. Refresh this page from the latest database entry Marine VHF Channels Reserved for Coast Guard use only 157 3 days ago · USNI News is the independent, non-profit news service of the Naval Institute. Proper use of the VHF channels is an important safety factor. Marine monitoring takes two major forms. The frequencies were changed due to the mandate to vacate 380-400 MHz so that the spectrum could be used for military Trunked Radio Systems. Like virtually all other The International Maritime Organization has designated NAVTEX as the primary means for transmitting coastal urgent marine safety information to ships worldwide. VHF Frequencies and Usage In the United Kingdom there are approximately 57 VHF channels available plus the private channels M and M2 for use by marinas and yacht clubs and the private channel 00 which is for HMCG use only. 121. Users may be fined by the FCC for improper use of these channels. 200 161. Coast Guard Maritime Telecommunications Information NOAA Weather Radio Frequencies, in MHz Aug 21, 2022 · Some major ports utilize Vessel Traffic Service (VTS); this is maritime traffic control similar to air traffic control around an airport. The Coast Guard does not advocate cellular telephones as substitute for the regular maritime radio distress and safety systems recognized by the Federal Communications Commission and the International Radio Regulations -- particularly VHF maritime radio. It provides the type of traffic or operations typically associated with each channel, such as coastguard communications, ship to ship safety communications, port operations, and public correspondence. Coastguard broadcast times Some marine traffic may use other frequencies e. 156. But International Distress/Emergency Frequencies 2182 kHz: International Maritime Distress and Calling Frequency for Radio telephony. Vobbe, W8HDU Updated: March 1, 2009 Dec 3, 2025 · This guide combines two critical areas: maritime frequencies monitored by the U. Coast Guard; and two international organizations, the International Telecommunications Union and the International Maritime Organization; have each established marine radio watch keeping regulations. There are specifically designated channels for specific usage, as indicated in the chart below. Select VHF Channel 16, 2182 KHz, or other emergency frequency used where you operate. 000 Marine Operator 63A 156. Coast Guard Maritime Telecommunications Information NOAA Weather Radio Frequencies, in MHz Aug 3, 2025 · The world of marine radio frequencies is a complex and fascinating realm, filled with secret channels, coded messages, and mysterious communications. Coast Guard high seas communication stations using HF voice. 025 MHz, inclusive. Learn visual distress signals, marine flares, EPIRB beacons, SOS signals, and US Coast Guard boat safety requirements for emergencies at sea and on inland waters. 5 kHz and also terminated broadcasting of marine weather information broadcasts on 2670 kHz on August 1, 2013. In the 18 years the SWLing Post has been online, this is the first time we’ve experienced an incident like this. Coast Guard Maritime Telecommunications Information NOAA Weather Radio Frequencies, in MHz See the NOAA Weather Radio Homepage for more information. 400 162. Channels in the band 4000 - 4063 kHz and 8100 - 8195 kHz are now included here as well. When conditions warrant, specific elements of USCG law enforcement show up on the listed frequencies, employing tactical callsigns and coded Jan 19, 2022 · The U. Jun 29, 2024 · Coast Guard Aviation Coast Guard Auxiliary Nationwide VHF Some or all channels may use encryption full- or part-time at various locations around the US. CMBs are programmed from the various Marine Communications and Traffic Services centres on the Atlantic, Pacific and Arctic coasts of Canada, as well as on the coasts of the Great Lakes. Coastal Radio Stations and Frequencies, focusing on non-commercial stations handling traffic operations. , Commercial, in New Orleans &amp; Lower Mississippi 01 156. Frequencies are in megahertz. 2182 kHz is a radio frequency designated exclusively for distress calls and related calling operations [1] in the maritime service. [2] It is equivalent to a wavelength of 137. 475 mhz Ch69</p> <p> 156. 175 Port Operations 65A 156. While the Coast Guard and other maritime authorities use these frequencies for critical safety and security purposes, there is a growing interest among enthusiasts and hobbyists to tap into this hidden world. The intent is to provide the maritime radio communications user with a group of standard distress, safety RadioLabs - Scanner Products - RadioLabs offers a complete line of Uniden scanners for standards analog, trunking and digital communications. VHF Channel Plan CH Transmit Receive Notes 01A 156. They maintain a listening watch during their operating hours, which is then handed over to Maritime Safety Queensland vessel traffic service centres after hours. See our AIS article for information on this mode, and available decoders. with towers all along the east coast Dec 12, 2023 · Frequency Allocations The VHF maritime spectrum is a range of frequencies allocated for marine communication, covering primarily the 156 to 174 MHz bands. The site is currently in maintenance mode while we investigate and resolve a recent security issue. Coast Guard HF Voice Also see Commercial Maritime Coast Stations and Weather Nets The U. ) Marine operator to place calls Due to the increased need of more marine VHF channels for VTS, commercial requirements, and port operations, a recent ITU World Radio Conference has authorized and developed a new channel plan for the VHF marine radio frequencies. try 156. 900 Marine Operator 27 157. 600 mhz Ch 12</p> <p> 156. 2 additional channels are dedicated to the Automatic Identification System services. 450 MHz (Channel 9) – Alternate Calling ChannelThis channel was designated to help reduce congestion on… VHF Marine Radio Service Frequency Table This table is the frequency chart for the VHF Marine Radio Service. government agencies, the Federal Communications Commission, the National Telecommunications and Information Administration, and the U. 696 night primary 8. Marine radio frequencies are divided into different categories, including simplex and duplex channels, each serving specific purposes. Photo of weather buoys that are deployed offshore. The Theory of Search (scientific basis for search planning) Rescue 21 International VHF Maritime Radio Channels and Frequencies Narrowband VHF Maritime Channels and Frequencies Radio Information for Boaters U. Coast Guard Maritime Telecommunications Information NOAA Weather Radio Frequencies, in MHz The Canadian Coast Guard is a special operating agency within the Department of National Defence. Ofcom is responsible for the management of UK spectrum and the authorisation of frequencies for non-Crown users. 8 MHz: International Maritime Distress, Calling and Safety Frequency. 4 kHz above the listed carrier frequency. 0 and 162. Coast Guard HF Voice Product Listing The following National Weather Service marine products are broadcast via U. 0 MHz - 156. 6 MHz duplex 161 MHz / 162 MHz frequencies, Sep 28, 2022 · Maritime Distress Communication Devices This Marine Safety Advisory addresses maritime distress communication devices available to recreational and commercial mariners. 275 Port A continuous marine broadcast, or CMB, is a marine weather broadcasting service [1] operated by the Canadian Coast Guard. Coast Guard Frequencies. Navy, Marine Corps, Coast Guard and international maritime Marine VHF Radio Channel Frequencies (US) S - Simplex / D - Duplex VTS - Vessel Traffic Services areas only. 371(c) and 80. Comprehensive Global MF/HF Coast Radio Station Database - Access complete MMSI numbers, DSC test frequencies, and GMDSS testing procedures for maritime communication worldwide. They also provide tutorials and learning resources How Coast Guard Aviation Communications Differ from Marine Communications While Coast Guard facilities monitor both aviation and marine frequencies, there are critical differences pilots must understand to ensure effective communication during overwater flights. 406. F. uses the "International Frequency" plan. The purpose of the FCC regulation was to relieve congestion on VHF channel 16, the distress, safety and calling frequency. Aug 2, 2025 · The world of marine radio frequencies is a complex and fascinating realm, filled with secret channels and mysterious communications. It should be noted that certain law enforcement operations utilize "discrete" frequencies, that are not depicted in any publicly available listings. 5 kHz offsets. For completeness USA channels are shown, 109 to 119 are actually duplex channels, but are used as simplex channels in UK. 850 Marine Operator 26 157. For long-range communications with aircraft, Coast Guard stations use shortwave single-sideband communications. The U. This authoritative resource covers stations across USA, Europe, Asia, Middle East, and South America, providing essential information for maritime professionals, ship officers, and marine safety organizations. 0 MHz: NATO Combined Distress and Emergency Frequency. hire radios for special events and company private channels. territorial waters. Aug 19, 2022 · Further information on the organisation of Search and Rescue in the UK can be found on the Maritime and Coastguard Agency website. ) Port Ops. 375 mhz Ch 67 Rescue helicopter</p> <p> 156. But Please take a moment to check out our Marine radio related antenna products. The communications, monitored and shared widely on X by BlackJack!@B777200F, highlight the heightened tensions in one of the world’s most HF Distress and USCG Contact Frequencies Effective 7 February 2022, the U. com 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 2019 World Radio Conference. N. Coast Guard VHF Coverage in Your Area Maritime Safety Broadcast Information National Weather Service Marine Product Information Dissemination (this link leads outside the USCG) Rules which require listening to your VHF marine radio VHF Marine Radio Channels and Frequencies For general boating safety information questions CG Boating Safety The chart below summarizes a portion of the FCC rules -- 47 CFR 80. Once communications have been established, switch to a working channel or frequency. 275 156. 100 160. 255 MHz, which covers channels 01A-05A and 61A-64A, use of the +4. Route Planning / Maritime Safety Information (MSI) MSI App (Build Custom LNMs and Light Lists) Broadcast Notices to Mariners (BNMs) Space Operations Launch and Recovery (SOLAR) Local Notices to Mariners Weekly (LNM - PDF only) Light Lists Weekly (LL - PDF only) Search and Rescue Satellite (SARSAT) Marine Safety Information Bulletins (MSIBs) U. All broadcasts except those over VHF and MF radiotelephone are made Recreational boaters would continue to call the Coast Guard and any commercial facility on channel 16. For VHF, use channels 72, 73 or 77 when working with other vessels. When you're out on the water and your phone dies, you can't get out and walk! Make sure you always have two forms of waterproof communication when you're out on the water, so you can contact Coastguard in case you need us. The document provides information on marine SSB radio frequencies including: - Distress frequencies for MF, HF4, HF6, HF8, and HF12 bands used for marine distress calls - Primary HF ship-to-ship simplex channels - HF SSB coast radio stations and their callsigns and transmit frequencies - Yachtsmen's nets meeting times and frequencies - Australian and US coast guard weather broadcast on VHF out to 30 miles on MF out to 150 miles Read the Maritime and Coastguard Agency (MCA) guide to maritime safety information, which includes information on broadcast frequencies. Thank you for visiting the SWLing Post. 050 160. Coast Guard broadcasts National Weather Service high seas forecasts and storm warnings from six high seas communication stations. Channel 22A: Communications between the Canadian Coast Guard and non-Coast Guard stations only. Below is the frequency channel allocation to the VHF Marine Channel Frequencies Channel NoFunctionShips FrequencyShore Frequency0UK Search and Rescue156 MHz156 MHz1Public correspondence and Port Op… U. May 2, 2017 · Re: Coast guard, RNLI and beach lifeguard frequencies wanted by thelad » 28 Apr 2020, 08:56 Nothing has changed over the years so what you find in search engines should be current. Coast Guard (USCG) for sea-based emergencies, and National Guard/military frequencies for land-based disaster preparedness and response. Marine radio transceiver (1. Aug 5, 2025 · Key Points The US Coast Guard operates on several VHF channels for marine communications, including Channel 16 for distress, safety, and calling. 8364 kHz: Survival Craft. 800 Marine Operator 25 157. Some channels are duplex (D), separate transmit and receive frequencies. Most communications take place on the VHF marine bands. Main ones for the coast guard are in the Marine band. 5 feet long, a Very High Frequency (VHF) Marine Radio allows instant communication between your boat and other boats, marinas, bridges, and the United States Coast Guard (USCG). Note: all duplex and simplex frequencies are upper sideband (USB), with an assigned frequency 1. 050 (U. 243. View New Zealand’s marine VHF radio channels and frequencies for Coastguard, maritime safety, public correspondence, and port operations communications. . Note that except for the digital selective calling channels listed at the ITU channel numbers as follows: 4426 (channel number 424), 6501 (channel number 601), 8764 (channel number 816), 13089 (channel number 1205) and 17314 kHz (channel number 1625) Note that these Coast Guard stations share common marine ITU frequencies for their broadcasts. 16 INTERSHIP SAFETY - Use this channel for ship-to-ship safety messages and for U. See USCG HF Voice for a detailed description of U. Route Planning / Maritime Safety Information (MSI) MSI App (Build Custom LNMs and Light Lists) Broadcast Notices to Mariners (BNMs) Space Operations Launch and Recovery (SOLAR) Local Notices to Mariners Weekly (LNM - PDF only) Light Lists Weekly (LL - PDF only) Search and Rescue Satellite (SARSAT) Marine Safety Information Bulletins (MSIBs) Aug 18, 2024 · VHF Channel 16 is the inter­national distress, safety and calling frequency. This frequency list is derived from USCG sources. Data from the U. 150 U. 350 161. H. Coast Guard VHF Distress and Safety Coverage Charts return to Maritime Telecommunications Data from the U. An international distress frequency is a radio frequency that is designated for emergency communication by international agreement. 1 Channel 21B, 83B: Continuous Marine Broadcast (CMB) service (in English) transmits severe weather warnings, ice information, hazards to navigation, and other safety warnings. In the official language of the International Telecommunication Union (ITU) the band is called the VHF maritime mobile band. Ensure that your VHF is set to “INT(ernational)” not “US(a)”! Radios operating on USA channel settings will not hear the reply from VHF MARINE RADIO FREQUENCIES All users of marine VHF are required to hold a minimum of a marine VHF operator’s qualification and be issued with a radio call sign. By this time, satellite systems were widely used, providing fast and reliable communication regardless of distance, as well as narrow band direct printing (NBDP) telegraphy, which replaced Morse code. International Marine VHF Channels Dec 10, 2018 · Scanner Frequencies and Radio Frequency Reference for Marine Channels (Canada) Feb 13, 1998 · Commandant (G-SCT-2) U. Coast Guard HF voice broadcasts including schedule information. “Stone Point NCI”. 5 KHZ Assignment of channel numbers to interleaved channels and simplex operation of duplex channels in the VHF maritime band at 12. Over the past decade, these devices have proliferated in the marketplace, and there are key differences to consider when purchasing one. 650 (Canada &amp; International) Marine Operator 02 156. 100 Coast Guard Broadcasts 23A 157. The Maritime Mobile Service Identity (MMSI) is used for digital selective calling and may also be used for radiotelex. wie xovakh bfvc pwnoq zozp hpywtg kzb alggnpk qjsz hyhie