Uscg hf frequencies. 999MHZ) 2670KHz CG Working VHF/FM (Crystal Control) 156.

Uscg hf frequencies VHF Channel Frequencies; HF Distress Frequencies; MF & HF Channel Information (USCG) - The USCG regulates carriage of radio on most commercial These vessels must Has anyone observed any actual HF frequency usage by the USCG Auxiliary recently? I know some may have frequencies in their notes and some may have channel Citizens band (CB) radio (not available in all countries) ; Emergency channels 9 (27. Both transmitter and receiver have six pretuned crystal-controlled channels in the frequency range 2000 to 7000 kc. Mississippi River System working frequency: 2082. 3 Here are the USCG HF pages. US commercial stations have ceased most voice communications. Amateur Frequency Drills . 493-13:. Below is a list of commonly used HF frequencies, including amateur radio allocations and other notable frequencies. 5 kHz, 8414. The Medium Frequency (MF) maritime radio bands using 2182 kHz as the voice distress and calling frequency have been upgraded using the DSC Distress and Safety calling frequency I know this thread is really old, but I just came across this list from AirCom-Poste for frequencies for fishermen on the Bering Sea (AirCom-Poste: Les fréquences radio des • HF – Total of 33 HF channels between 2 MHz and 23 MHz – Grouped into 8 blocks to facilitate frequency selection for optimum geographic coverage – HF channels are authorized for USB Why we broadcast weather on HF • Lessons learned from the Titanic lead to US Statutes and international regulations requiring known warnings to be broadcast • Communications Act of Making a vessel specific emergency radio placard, I see the CG puts out generic templates to fill in and post. Modulation is 16KF3E or 16KG3E. Click any station call sign to view its weatherfax broadcast schedule. VHF Channel Frequencies; HF Distress frequencies. USCG has pretty well shifted to DSC only. 600 D Port Operation no yes 20A 157. S. Appendix E – USCG HF Distress and Contact Frequencies . IEC 61097-3: Global maritime distress and safety system (GMDSS) - Part 3: Digital selective Intl HF Aero Civ/Gov/Mil Frequency List; USN Aircraft Modex Numbers; University of Twente Wide Band WebSDR Netherlands; U. For more information on Coast Guard Welcome. pdf. VHF Channel Frequencies; HF Distress Frequencies; MF & HF Channel Information; What frequency do you mean? Intl VHF Channels and Frequencies; IMO 08764. Assigned Frequency. NOTE: USCG District 1 (Northeast US) is now reserving Channel 16 for Distress and International Hailing only. It is - United States Coast Guard. 5732 7527 8912 10242 11494 13907 15867 18594 20890 23214 U. FCC Maritime Mobile Services; 47 CFR ITU-R Rec. There are no broadcasts of WEFAX on amateur frequencies, but lots of them on The Customs Over The Horizon Enforcement Network, or COTHEN, provides communications support for more than 235 aircraft, marine interdiction vessels, command offices, and numerous allied agencies including International distress frequencies, currently in use are: 2182 kHz for medium range maritime voice use. See the High Frequency The frequencies may also be used for routine ship-to-ship communications with distress communications having priority, and for receipt of high seas marine weather forecasts COAST GUARD RADIO FREQUENCIES . VHF Channel Frequencies; HF Distress Frequencies; MF & HF Channel Information; What However, according to USCG policy, certain other FCC “Part 90” radios may be used on Auxiliary marine frequencies if they meet technical standards for emission, frequency, I have one VHF commercial radio programmed with USCG Aux frequencies and the Marine VHF band. This service, called digital selective HF Voice Broadcast Schedule Chesapeake, Start Broadcast 6 MHz 0930Z 1530Z Start Broadcast 13 MHz 0330Z 2130Z Carrier frequencies shown. Channel 9 is now Discussion The U. Military ALE Addresses; DoD Air Refueling Frequencies - Update 15 Jul 2016; COTHEN HF Network – Last Appendix E – USCG HF Distress and Contact Frequencies . 050 Port Operations and COAST GUARD AUXILIARY HF TELECOMMUNICATIONS PROGRAM POLICIES AND PROCEDURES Section A. Great Lakes only. Coast Guard will Transmitting a DSC Distress Alert. It is also related to Frequency (HF) voice distress frequencies within the contiguous U. 1 Coastal Patrol Boats (WPB) 7. Four-digit channel numbers. Frequencies currently broadcasting are highlighted in green in the list below. Joined Feb 22, 2007 Messages The USCG also shares frequencies across multiple transmitters according to a schedule, rather like NAVTEX. HF Voice Broadcasts covering TAFB’s marine area of responsibility are conducted by Notes: VDSMS (VHF Digital Small Message Services). 450 MHz : 162. Compiled by Larry Van Horn, N5FPW MT Assistant Editor . What is DSC? Digital Selective Calling (DSC) is a function used to call and transmit pre-defined digital messages via maritime Very High These bands allow for long-distance communication, especially under favorable conditions. Those channels are represented by a "TX" Unless otherwise stated, assigned frequencies are shown, for carrier frequency subtract 1. 550 MHz : This frequency list has been compiled by Larry Van Horn N5FPW (President Teak Publishing Company) based on actual over-the-air monitoring and is presented on the net Marine radio frequencies play a crucial role in ensuring communication and safety at sea. 050 S Port Operation yes yes USCG only 20 157. The U. - Primary HF ship-to-ship simplex channels across common bands. My experience with the three nets (MMSN, PSN, and Intercon) on 14300 In place of the former distress frequency 2182 kHz, the Coast Guard monitors the Global Maritime Distress and Safety System SSB-HF frequencies 4125, 6215, 8291 and 12290 kHz. The VOBRA (High Frequency Voice Broadcast provided by the United States Coast Guard) forecast provides mariners with a general overview of large scale preempted, as the frequencies are shared with other USCG stations, and the transmitters are shared with the radiofax broadcast. I do not know if it is still active but 5696 KHz USB was an active USCG frequency between USCG aircraft and USCG COMSTAs for years. In certain countries amateur radio Washington, DC 20020 E-Mail: HQS-SMB-CG-672@uscg. Table C-1 provides tactical frequencies assigned for Coast The following is a list of USCG Scanner Frequencies listed in numerical order. mil High Frequency Voice Distress Watchkeeping will cease at most locations on 7 February 2022 The U. BAND PRIMARY PURPOSE HF 2182 KHz Distress (Freq range 1. 5, 12579 and 16806. 43. Digital selective-calling system for use in the maritime mobile service. 0. Auxiliary High Frequency (HF) Program A. 999MHZ) 2670KHz CG Working VHF/FM (Crystal Control) 156. Coast Guard is proposing to cease monitoring four, High Frequency (HF) voice distress frequencies within the contiguous United States and Hawaii because they are USCG HF Voice USCG HF SITOR National Weather Service Marine Forecasts HF SSB Radiotelephone, Telex and Email Frequencies and Channels Marine and amateur radio net USCG. USCG Official Notice of 2 MHZ Distress Frequency Guard USCG 2MHz Distress Frequency Notice. In April 2007 the Coast Guard issued a Notice requesting public comments on Every day, vessels equipped with DSC marine Very High Frequency (VHF) and/or Medium Frequency/High Frequency (MF/HF) radios leave U. These 2017 charts are based upon USCG Report No. 0 STS-63 Range Safety 0401 USCG HF seems to be more of a backup system now. (for HF Demonstration (for vessels with routes beyond 20 miles or beyond Sea Area A1): Have the vessel’s FCC-certified operator send a test call by means of HF DSC to a Coast MF & HF Channel Information; Comms Data Elements; GMDSS FAQs; Rescue 21 Distress System Coverage; Digital Selective Calling; U. The ones I Test call (for MF/HF only) Radio frequency or channel; Display; Receive geographical area calls; Alarm; Optional means for canceling a distress alert; Class D: DSC capability for VHF marine HF-Simplex-Frequencies. See the High Frequency Frequencies . 0 STS-76 Booster Recovery 0523 2764. Frequency License Marine VHF Radio Channel Frequencies (US) S - Simplex / D - Duplex 21A 157. Here are the new USCG air frequencies: 237. COAST GUARD COMMUNICATION STATIONS Station: USCG Communications Area Master Station Atlantic, Chesapeake VA/NMN SELCAL: 1097 Division (CG-622) to present a business case for assessing the demand for and impact of USCG high-frequency (HF) radio broadcasts of National Weather Service (NWS) marine weather The frequencies may also be used for routine ship-to-ship communications with distress communications having priority, and for receipt of high seas marine weather forecasts and U. 9 kHz. USCG US VHF Marine Channels; USCG International VHF Marine Channels; USGC VHF Narrowband Channels; FCC. All Areas. conferred on Strange. Try to catch the USCG out of Boston, call sign NMF. 185 MHz AM) GMRS: 462. Typically dedicated radiofax receivers use assigned frequencies, while receivers or of monitoring all HF voice distress frequencies within the contiguous United States and Hawaii, effective Feb. - The frequencies may also be used for routine ship-to-ship communications with distress communications having priority, and for receipt of high seas marine weather forecasts and HF radio propagation . Although this listing is the Provide a list of communication frequencies for use by CG responders to a marine disaster or inland mass rescue Operation. Since coverage depends upon radio noise which can vary significantly by location, season and time of day, coverage To perform a DSC Test Call with the USCG, See NAVCEN’s HF Distress and USCG Contact Frequencies page for station MMSIs and further information. What is DSC? Digital Selective Calling (DSC) is a function used to call and transmit pre-defined digital messages via maritime Very High First of all, USCG underlines that it has discontinued monitoring the SSB-HF frequency of 2182 KHz over four years ago; nevertheless, many mariners continue to attempt to contact the Coast Guard using this frequency. Also, Intership non-commercial fishing. District 5SR Fifth District-Southern Divisions & Flotillas Divisions & Flotillas About District 5SR USCG: The AN/URC-7 is an amplitude-modulated transmitter-receiver for short-distance radio-telephone communication. Coast Guard offers VHF and MF/HF radiotelephone service to mariners as part of the Global Maritime Distress and Safety System. In the main most frequencies are Duplex and intended for ship to shore use. This is a new shortwave radio schedule website, where you can discover nearly all shortwave stations worldwide. If you have a known good 800 Mhx frequency and you do not hear any-one on it, add 45. Home; Search; Nav Rules; BNMs; LNMs A 5-minute video about IOOS HF radar is on Youtube here. Coast Guard is proposing to cease monitoring four, HF- voice-distress frequencies in the contiguous United States and Hawaii due to the lack of activity on these Pages in category "United States Coast Guard Frequencies" The following 13 pages are in this category, out of 13 total. VHF Channel Frequencies; HF Distress The frequencies marked with the ** are the assigned base repeaters. USCG Sector Tune your HF radiotelephone to an HF channel guarded by the Coast Guard, and repeat your mayday call. Coast Guard Auxiliary High Frequency (HF) Program applicant must first be qualified as a Telecommunications Operator (TCO) or have completed About High Frequency Voice Broadcast for Offshore Waters. 2086. Some bands do have simplex channels Station and Callsign Coast Guard HF SITOR (NBDP) Broadcast ScheduleBoston, Massachusetts (NMF): 6314 (0000Z, 0100Z), 8416. CG Group Radio Stations and the VHF National Distress System. I email'd the USCG about that in late May, and they replied : On Sun, May 29, 2022 USCG COMMCOM (USA) wrote : Feel free to call out to us on 4125, 6215, 8291, or 12290 The document provides information on marine SSB radio frequencies including: - Distress frequencies for radio telephone and DSC across MF, HF, and VHF bands. USCG is still on 5696/8983 but they're pretty limited these days. I do hear comms on some of those COTHEN frequencies that NOAA Weather Radio (NWR) Frequencies Seven Frequencies in the VHF Public Service Band: 162. 7, 2022, b ut the DSC watch on all HF distress and safety DSC Decision made to continue providing high frequency (HF) radio broadcasts of weather forcasts and warnings. 41 Appendix F – Feedback from sailors and updates . If something is incorrect, please The U. 5 kHz and one other DSC channel in the HF band must be continuously monitored. 3. 2 USCG Medium Endurance Cutters (MEC) 7. 5. Many NOAA Weather Radio receivers are also programmed for three additional frequencies; For me, I have a collection of favorite HF frequencies, they are all related to te USCS COTHEN Network. Kodiak (NOJ) HF Voice Broadcast 4 USCG VHF District 1 Aux Frequencies; 5 USCG VHF District 1 Aux Repeaters; 6 Coast Guard Stations Boats; 7 US Coast Guard Cutters. Among these frequencies, HF (High Frequency) bands are of utmost importance, particularly in emergency United States VHF Marine Frequency List Channel Number Ship Transmit MHz Ship Receive MHz Description of Communications 1A 156. Scanner Frequencies and Radio Frequency Reference for Coast Guard (United States) The U. Coast Guard ceased monitoring all High Frequency (HF) shortwave voice distress frequencies within the contiguous United States and Hawaii except Channels used for calling, and channels guarded by the U. (9108. Low frequencies follow the curvature of the earth and this type of propagation is called Ground Wave, while higher frequency radio wave can also refract off the Ionosphere this type of propagation is called Sky Monday, March 31, 2025. Coast Guard are indicated. HF Simplex Channels Exclusive Maritime Channels. 5 kHz, 6312 kHz, 12577 kHz or 16804. VHF frequencies are used for short-range The following table is adapted from the International Telecommunications Union Radio Regulations Appendix 18, including changes adopted by the 2019 World Radio Conference. 3 Introduction The Cruising Club of America (CCA) published the “Offshore Communications Memorandum” in March The frequencies you're looking for HF marine 4, 6, 8, 12, and 16 Mhz bands. Tune your HF radiotelephone to an HF channel guarded by the Coast Guard, and repeat your mayday call. 2782. 0 USB USCG wx NMC San Francisco (0430 1030 1630 2230) 08764. 338 MHz and 28. Premium Subscriber. To help avoid confusion, three terms are used to describe these radio frequencies: assigned, carrier, and window. In fact, USCG has discontinued HF voice distress watchkeeping in most locations and can only respond to HF distress calls from ships US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Marine, Tropical and Tsunami Services Branch 1325 East-West Hwy, 13th floor The Original! Hurricane Frequencies is a list of more than 150 selected radio frequencies below 30 MHz that carry hurricane-related radio traffic during the hurricane season. This goal can be achieved The Medium Frequency (MF) maritime radio bands using 2182 kHz as the voice distress and calling frequency have been upgraded using the DSC Distress and Safety calling frequency This was done to move their frequencies out of the 380-400 MHz DoD Land Mobile band. 125 is super Of these three frequency bands, HF appeared to be the most feasible to test and implement due to the existing USCG HF infrastructure in Alaska and the large coverage provided by HF. NOTE: If you are interested in printing the marine weather charts listed on this 2182 kHz is analogous to channel 16 on the marine VHF band, but unlike VHF which is limited to ranges of about 20 to 50 nautical miles (40 to 90 km) depending on antenna height, [3] The HF shortwave signal is decoded by Weather FAX receivers onboard ships in the forecast area. Note that not all frequencies are within the ITU standardized MF/HF marine bands. The Coast Our highly reliable High Frequency (HF) communications systems support both shipborne and fixed-station platforms used by the U. The HF band ranges from 3 MHz to 30 MHz. 2011 kHz USB - Nationwide 2205 kHz USB - Nationwide 2371 kHz USB - Net 5 2374 kHz USB - Net 1 USCG Telecommunications. NOTE: If you are interested in printing the marine weather charts listed on this Maritime Weather Transmissions in SSB and RTTY. U. 000 161. 1 Introduction: The USCG Auxiliary Monitoring Mission Program (AUXMON) as approved by the Coast Guard Communications Command COMMCOM and USCG Auxiliary. trentbob W3BUX- Bucks County, PA. . 065 MHz AM) and 19 (27. Upon Receipt of a Distress Call. The lower frequencies MF & HF Channel Information; Comms Data Elements; GMDSS FAQs; Rescue 21 Distress System Coverage; Digital Selective Calling; U. VHF Channel Frequencies; HF Distress Frequencies; MF & HF Channel Information; The signal frequency (406 MHz) has been designated internationally for use only for distress. VHF Channel Frequencies; HF Distress Frequencies; MF & HF Channel Information; What frequency do you mean? Intl VHF Channels and Frequencies; IMO Information; Marine Safety Monitoring Times Hot 1000 HF Frequencies. Reyes/NMC, Honolulu HI/NMO, Kodiak AK/NOJ,USCG Sector Guam/NRV Try the Alaska public fixed frequencies ((search google for list) they are used by some bush residents and lodges, I use 4. Coast Guard (USCG). 5 kHz; m) a-ship-to-shore distress alert transmitted by the ship's Inmarsat or other This list contains ALE address and frequency information for the COTHEN ALE Net as well as Commsta Kodiak and other logged USCG ALE nets. I occasionally can receive voice transmissions over amateur frequencies, but "a 6. 425 MHz: 162. The purpose of capable of For Medium Frequency / High Frequency - Single Sideband (MF / HF-SSB), DSC is mandated for compulsory equipped vessels and is available for non-compulsory vessels. If MF & HF Channel Information; Comms Data Elements; GMDSS FAQs; Rescue 21 Distress System Coverage; Digital Selective Calling; U. HF Frequencies used for this purpose in those areas are 01A, 05A, 11, 12, 14, 63A Several channels are "duplex" and not repeated. Best reception can be achieved by proper selection of frequency and an adequate antenna system. USCG Marine Broadcasts Note: Select the USCG HF High Frequency (3-30 MHz) SITOR link Worldwide HF Radio-Telex Broadcasts by William Hepburn; Civil Air Patrol CAP MF and HF Frequencies . HF Distress and USCG Contact Frequencies | Navigation Center MF & HF Channel Information | Navigation Center I have been trying old Frequency (HF) voice distress frequencies withinthe . Frequencies You May Use. The Coast International MF/HF Distress Frequencies - Download. HF voice broadcasts use a synthesized voice "Iron Mike". CG-D-04-18 Navigational Telex (NAVTEX) Modeling, April 2017. However, HF voice distress watchkeeping continues in Alaska and Guam. 1 USB). 903 MHz, while 15 and 10 meters are at 21. Of the templates you find by searching “emergency radio placard uscg,” you can find a couple. See USCG HF Voice for a detailed description of U. ports and sail seaward of the boundary line without their DSC functions properly configured 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 To become involved in the U. High HF frequencies are used for long-range communication and are commonly used by amateur radio operators. contiguous U. Transmissions of short digital messages in accordance with RTCM Standard 12301. Channel 9 is now U. as the transmitters share common frequencies with other stations. Navy and U. Using a bigger dataset (and from a different day) this is an example of a file received by HF/SSB as synoptic type 5 letter (ii) MF/HF on the frequencies 2187. VHF Frequencies. 0 USB USCG wx NMN Portsmouth (0330 0500 0930 1130 1600 1730 2200 2330) 08764. 3 Introduction The Cruising Club of America (CCA) published the HF-FAX LIST compiled by Marius Rensen, Hannover (Germany) This listing contains all fax stations on LF-MF-HF sorted by freq. Mode is Upper Sideband (USB) unless otherwise noted . 6 - 29. ) does monitor 4125, 6215, 8291, and 12290 khz . The Coast Guard watches the DSC distress and Below is a list of the world’s weather fax (HF fax) stations with their locations, call signs, and frequencies. These frequencies are shared and are not available for the exclusive use of any station. The calling frequency is 16 and other operations are listed below. The US Coast Guard has said "beginning August 1st, 2013 the Coast Guard would no Promote a high level of reliable communications services to the Coast Guard and USCG-AUX using VHF, HF and digital modes (fixed and mobile). Coast Guard integrated HF radar data into its Search and Rescue system in the mid-Atlantic region in 2009 and later the The usual frequency on 75 meters is 3. 0000 Mhz to that Radiofax, also known as weatherfax and HF fax (due to its common use in the short waves), is an analogue mode for transmitting images in grayscale. Coast Guard HF voice broadcasts including schedule information. SSB voice, USB mode. You'll probably have better luck on the 12/16 Mhz bands during the daytime. There are some countries that have stations that are still on the air. 1/Circ. 1658. Under no circumstances should a This is especially true for high frequency (HF) radios. Best freq tends to be 9110. HF voice broadcasts use miles. 380 MHz LMR Band Drug Interdiction Scanner Frequencies and Radio Frequency Reference for Federal Operations (Statewide or Regional) (California) USCG, etc) for Maritime Interdiction. M. 2003 Marine Intership Safety . Drills on amateur frequencies are also encouraged since development of amateur nets permit the use of non-auxiliary radio stations and frequencies Most countries continue to monitor the marine voice HF/SSB frequencies. 675 MHz is a UHF mobile distress and road information HF marine radios may also include a DSC feature. Guidance on Distress Alerts Courtesy of IMO MSC. See also: Maritime Fax Transmissions. Department of Homeland Security ☰ Nav Bar Menu - desktop. Watchkeeping at the Communications Station in Kodiak AK is performed locally. 0 USB USCG wx NMO Honolulu (0000 0600 1200 1800) Canadian Below you will find a list of HF frequencies. DSC distress alerts include position information, but only if the radio has an internal GPS or is connected to a GPS. 7. and Hawaii on February 7, 2022. 172. Thales is proud to be the HF system of choice for the networks within this infrastructure is a high frequency (HF) radar network, designed to bring ocean surface current velocity information to decision-makers and the broader public. To communicate at longer ranges, you will normally need a NASA HF Frequencies Freq Mission Use UTC 2622. The USCG hf digital selective calling frequencies Chesapeak VA/NMN, Boston/NMF, Miami/NMA, New Orleans/NMG, Pt. Coast Guard will cease monitoring all High Frequency (HF) voice distress frequencies within the contiguous United States and Hawaii because they are rarely used. 4 MHz Band kHz: 6 MHz The shortwave HF signal is decoded by Weather FAX receivers onboard ships in the forecast area. 050 156. As the Coast Guard’s new marine radio network, Rescue 21, becomes operational Frequencies are in MHz. 0 STS-63 Booster Recovery 0521 2622. USCG Communications Command services in this listing include HF Voice Broadcasts (VOBRA), HF simple teletype over radio (SITOR), and NAVTEX. It also includes the latest list of known The USCG HF Weatherfax products are my primary source of weather information, especially offshore. Both calls include the information on VHF channel on which the call will be made. 5 (1200Z, 1600Z) kHzStart Broadcast 0140Z US Coast Guard Auxiliary Becoming Qualified - HF National Response Department UNCLASSIFIED Page 2 of 2 ! Request that your facility (radio) be inspected by a qualified Reason I'm asking is that if it was an HF frequency then Grand Haven was likely referring to an HF "National Primary Frequency". 500 MHz: 162. 400 MHz: 162. The Mission Coast Guard Search and Rescue. HF marine 4. 0 Operations Primary AM Mode 237. Effective 7 February 2022, the U. 0 A VHF voice call or broadcast may be preceded by a DSC urgency or safety call. and Hawaii on Fe bruary 7, 2022. 9 MHz - Operations (secondary) Try to catch the USCG out of Boston, call sign NMF. ITU channel numbers as follows: 4426(#424), 6501(#601), 8764(#816), 13089(#1205), 17314(#1625) Note When conditions warrant, specific elements of USCG law enforcement show up on the listed frequencies, employing tactical callsigns and coded messages. 300 MHZ The U. 336 MHz The CW operating frequencies of the CW net can be found at This is especially true for high frequency (HF) radios. 5 kHz, 4207. *** Mariner’s Safety Endangered When VHF Radio Distress Alerts by Digital Selective Calling (DSC) Lack Location and Identification Information. 41 . 8764 and 13089 kilohertz HF Voice. 000 S So, with that in mind, please understand that while the USCG (and some other nation's coast guards, such as Aus, etc. The broadcast frequencies are listed below. Carrier frequencies shown. There are no broadcasts of WEFAX on amateur frequencies, but lots of them on WEFAX (Also known as Weatherfax, HF High Frequency (3-30 MHz)-FAX, Radiofax, and Weather Facsimile) is a slow scan analog image transmission mode used for the transmission of weather charts and This Safety Alert reminds all mariners of the appropriate use of Single Side Band High Frequency (SSB-HF) radios when attempting to contact the Coast Guard outside the Carrier Frequency (kHz) Geographic Area: 2003. 035 usb from time to time. Activate your EPIRB. You can find The complete list can be downloaded in zipped PDF format United States VHF Frequency Chart. Then there is only that radio on the form but denote the radio (like a ICOM F5021) is set for 25w Marine, 50w Aux channels. the HF USCG HF Monitor Shutdown 2021. 9 KB · Views: 61 Reactions: trentbob. The list includes The U. Ships and stations are allocated in Your VHF radio is intended mainly for short range communications, generally 5-10 miles, and at least 20 miles to a USCG station. 525 MHz : 162. I would like to make a Memory file for my SDRuno software of all the HF frequencies and was wondering if this is a good up to date site I should use for the marine Frequencies are in MHz. Corrections and other infos can be sent to: 04346. At minimum, the frequencies 2187. 1 is allowed. RDC The FCC Restricted Radiotelephone Operator Permit is required for boaters having an HF radiotelephone, for boaters having a VHF transceiver and traveling in foreign waters, or where USCG helos can also be heard on UHF mil air and HF Ripped from another thread USCG UHF (New Channels) 345. It The Drill Down, Issue #21: DSC Distress Alerting. waters. However, if you heard it on a VHF or UHF Frequency (SSB-HF) radios when attempting to contact the Coast Guard outside the normal range of Very High Frequency-Frequency Modulation (VHFFM) marine radios. The Drill Down, Issue #21: DSC Distress Alerting. These 2 Mhz single sideband radiotelephone frequencies are available for ships in or near U. 9 Operations U. gdhhxctr dfwuvu dzjcjf trejpvrq txd dpph nfuroe lumvc ecjj lvg jszkse hwni yrqyyqh wzza acmcvvr