Vhf marine radio frequencies important note anyone who intends to listen to radio transmissions should be aware that licence is not required for a radio receiver as long as it is not capable of transmission as well. How do i decode a weather facsimile wefax off of my. Broadcastings are done by the weather radio transmitter in pinneberg about 20 km. Very high frequency vhf is the itu designation for the range of radio frequency electromagnetic waves radio waves from 30 to 300 megahertz mhz, with corresponding wavelengths of ten meters to one meter. For convenience, the radio spectrum of figure 220 is divided into ranges of frequencies that have similar characteristics as shown in table 23. Tim rulon noaa did a great job, the site has a lot of good informations for mariners a latest version of the worldwide marine radiofacsimile facsimile schedules dated june 14, 2005 this publication incorporates changes to several of our stations which go into effect june 15, 2005. Weather faxes are images of weather charts sent over hf frequencies. Frequencies immediately below vhf are denoted high frequency hf, and the next higher frequencies are known as ultra high frequency uhf. The frequencies used for marine communications are internationaly agreed by the international telecommunication union itu.
Whether you are a casual boater or a seagoing professional, this article provides the marine channels you need for programming modern vhfuhf radios with the international frequencies for ships, yachts, motorboats, ferries, sailboats, cruise ships, freighters, tankers, industrial docks, skiffs, riverboats, inflatables, aquatic sports. Now, take a look at the guide to wefax frequencies and find a station relatively close to you. Radio fax europe and worldwide franksweather the weather. In the us and some other countries, the primary nationwide aprs frequency is 144. The murs rules allow voice or data communications for personal or business activities of the general public. To open the transmit window, you must of course select one of the two wefax modems, and then rightclick on the transmit blue window. They move all the time, so they can only be received when they are above your horizon, but when they are, the signals from them are much stronger. How do i decode a weather facsimile wefax off of my shortwave.
Usaf high frequency global communications system the. Noaa 2012 callsign frequency timesemission type power africa cape naval, south africa zsj 4014 khz 16z06z when available f3c 10 kw zsj 7508 khz all broadcast times f3c 10 kw zsj 538. Unlicensed vhf frequencies summary the ts4000 radio modem can be used without a license, with some restrictions, in the united states on five specific vhf frequencies under the murs multiuse radio system rules of the fcc. What is the difference between uhf and vhf frequencies. Hfvhfuhf bands operating guide from nifty accessories n6fn. The national interoperability field operations guide nifog is a technical reference for emergency communications planning and for radio technicians responsible for radios that will be used in disaster response. Receiving weather fax and weather satellite images with your. In the main most frequencies are duplex and intended for ship to shore use. The nifog includes rules and regulations for use of nationwide and other. About wefax frequencies the resource is currently listed in in 2 categories. Change in new orleans radiofacsimile broadcast frequencies to provide greater coverage, beginning july 1, 2003 the broadcast of radiofacsimile from u.
In the second video tech minds shows how to decode weather fax with the rtlsdr. All should work though, just choose your frequency based upon the time of day. Wefax was introduced with the first meteosat in 1977. Compiled by larry van horn, n5fpw mt assistant editor.
Ac6vs guide to ham radio frequencies and general frequency listening quick click iaru region 2 mfhf band plan effective jan 1st 2008. Gb3br brighton has just come back on the air so ill be monitoring. To start, ship station licensing is handled by industry canada. Place where you can share your experiences related to the reception of weather fax on hf frequencies. Listen to packets at 300 baud packet hf listen to packets sent at 1200 baud vhfuhf for aprs packet activity. Some bands do have simplex channels which can be used for either ship to shore or intership working.
I can get no clear reading of what the rules are on these frequencies. The frequencies below are commonly called dot frequencies as 5 watt or less portables are sold with these frequencies named for the color of the dot on the radio. Being closer to the earth the images show a smaller area in more detail. Australian specific table of vhf marine frequencies with their channel designations. Cafl is the consolidated annotated frequency list, amassed from the experience of rife experimenters over years. Then, you must open an image file using the button load. Certain frequencies within each band have been designated for use by wireless microphones as well as by other services. A simplex channel is where the a and b frequencies are the same. Federal disaster scanner frequencies and radio frequency. Scanner frequencies and radio frequency reference data for florida. Other stations listed below serve similar functions in other countries. This link is listed in our web site directory since saturday nov 9 20, and till today wefax frequencies has been followed for a total of 1282 times.
This link is listed in our web site directory since thursday oct 8 2015, and till today wefax frequencies has been followed for a total of 492 times. Coast guard new orleans station nmg, will be changed from broadcasting on center frequencies of 4317. The radio spectrum chart published in january 2016 from data as of september 2015 is available from the u. The uk uses uhf for terrestrial television transmissions, with both pali analogue broadcasts and dvbt digital broadcasts sharing the band. The drawing shows the frequency ranges used by broadcast and mobile phones. However, although it is not illegal to sell, buy or own a scanning or other receiver in the uk, it. The weather facsimile wefax service on goes, 14, and 15 at 1 691 mhz 586 khz will be combined. Kyodo news, a japanese newspaper, transmits entire pages via wefax. United states vhf marine frequency list channel number ship transmit mhz ship receive mhz description of communications 1a 156.
List of wefax frequencies and locations for north america. Hf weather fax decoder can also set the vfo tune frequency of the rsp in sdruno. To receive wefax images, you need a shortwave receiver in ssb or data mode and a hardware or software decoder to convert audio tones into black and white. Marine vhf radio operates at a frequency of approximately 156mhz, while mf hf single sideband or ssb radios operate at frequencies from about 2mhz to. Vhf uhf fm voice simplex frequencies for michigan all frequencies are in mhz 10 meter band 20khz spacing 29. Amateur radio band plans in black and white from the arrl current u. Extremely popular, the baofeng is a compact, handheld radio capable of transmitting with 4 watts of power across 6174 mhz and 400480 mhz frequencies. Apt used by polar orbit satellites, wefax and hri pdus used by geostationary satellites. By convention, a tone of 1500 hz represents black, 2300 hz represents white, and frequencies inbetween represent shades of gray. For less than the cost of a decent dinner out for two people a fullfeatured short to medium distance communication tool the baofeng uv5r can be purchased. There are slight differences, between iaru regions, in the allocated ham radio frequencies, and the modes that each will allow.
Basics to decoding wefax using an rsp and sdruno sdrplay. Each pixel is converted into a certain audio frequency or tone. He uses sdrconsole v3 and the morse code decoder cwget. Discovered fldigi, turns out i receive wefax first map. All ships of length 20m or greater are required to guard vhf channel, in addition to vhf channel 16, when operating within u. The basic shtf survivalist radio frequency list chart was entered into the public domain 20 by radiomaster reports. Mfhf ssb frequencies mid ulster amateur radio club. Amateur radio band plans in color from the arrl amateur band plans and frequency usge from w6rk. Receiving weather satellite images via wefax on hf. Tuning the receiver accurately is paramount to receive good pictures, also you might need to clean up the audio signal by appropriate filtering to isolate the black and white tones. Weather messages decoder rtty, navtex, wefax hffax, nwr. Television broadcast frequencies a television radio frequency rf channel is allocated 6 mhz of bandwidth for overtheair transmission in the vhf or uhf frequency band. Top 4 download periodically updates software information of wefax full versions from the publishers, but some information may be slightly outofdate using warez version, crack, warez passwords, patches, serial numbers, registration codes, key generator, pirate key, keymaker or keygen for wefax license key is illegal.
Tv channel frequency list for cable tv, vhf and uhf over the air broadcast and hdtv channel list. The first video gives a bit of background and shows how to decode morse code with an rtlsdr. Here in north america, id recommend new orleans, port reyes, or boston. Worldwide marine radiofacsimile broadcast schedules pdf schedules and frequencies of wefax services. Frequencies above 1 ghz are figure 220the radio spectrum extends over a very wide range of frequencies. The signal varies rapidly in frequency and is sampled from a few hundred times per second to a few thousand times per second depending on the type of wefax transmitted. Federal frequencies general frequencies shortwave frequencies maritime vhf frequencies world wide beacon frequencies fast food frequencies pager frequencies general nasa frequencies hf sitor frequencies family 2 way radio frequencies rail road f requencies nascar frequencies global network frequencies hf dea frequencies. United kingdom frequency allocation table ukfat details the uses referred to as allocations to which various frequency bands are put to the uk.
A program to receive weather reports, navigational warnings and weather charts transmitted in rtty, navtex and hffax wefax modes on longwave and shortwave bands. Shtf survivalist radio frequency lists radiomaster reports. Handbook on use of radio spectrum for meteorology wmo library. Radiofacsimile, radiofax or hf fax is an analogue mode for transmitting monochrome images via high frequency hf radio waves. Noaa weather radio channel list the national weather service broadcasting continuous weather information 24 hours a day on the following frequencies. You can order a copy of the chart approximately 36 x 48 directly from the gpo. The table below gives a summary of the bands for lf low frequencies, mf.
However, although it is not illegal to sell, buy or. A printed version of the most recent version of the united states frequency allocations. After several hunderads of lines have been correctly loaded that is, with a high linetoline correlation, the afc locks until the frequency or mode is manually changed. So if you listen to a fax transmission, youll hear the different tones as each pixel is present.
The rtlsdr is an ultra cheap software defined radio based on dvbt tv tuners with rtl2832u chips. Polar orbiters transmit in the vhf waveband so the receiving equipment and aerial needed are both much simpler. Vhf uhf fm voice simplex frequencies for michigan all. United states coast guard frequencies the following is a list of uscg scanner frequencies listed in numerical order. Clear air mode requires manual selection by the user. Use the wefax broadcast schedule to determine when the documents you want to copy will be broadcast, and the frequencies to which you should tune your ssb.
Users may be fined by the fcc for improper use of these channels. Wefax is a way of getting monochrome analogue picture information through a standard voice audio channel. Copies of one page spectrum allocation charts for the countries below, in pdf format click on desired country. With this hes able to decode a few calls from some ham radio operators. Allied military and other aircraft are also provided support iaw agreements and international protocols as appropriate. This pdf file contains links to pages and ftpmail commands. Do not complain if the frequencies are a few kilohertz off. Amateur band plans and frequency usge have you ever wondered where different modes should be operated, what frequencies to avoid as a courtesy like sstv, etc. National interoperability field operations guide version 1. The complete list can be downloaded in zipped pdf format canadian vhf frequency chart. Noaa weather radio channel list modern survival blog.
Marine channel frequencies vhf uhf radio programming. Hf weather fax, san ildefonso, castilla y leon, spain. G4nsj amateur radio ray qth worthing west sussex uk locator io 90 tt im active on two metres, also monitor gb3wo 70cms repeater in worthing, west sussex. Jessop vhfuhf manual radio society of great britain 1969 acrobat 7 pdf 20. Some of these frequencies are used by government as well as a hand full of ham radio operators. Wefax software free download wefax top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. For mariners, the new marine product dissemination information web page is now up on the net. The main category is weather resources that is about weather reaources. It was the predecessor to slowscan television sstv. Tv channel frequency list for cable tv, vhf and uhf over the air broadcast and hdtv channel list skip to site map skip to content search keep your family safe at mysafefamily. Weather satellites transmit their data continuously on several frequencies, in various transmission modes and resolutions. The main category is band plans, frequency allocations, rf spectrum that is about radio frequemcy spectrum and allocations including radio band plans.
Wefax also known as weatherfax, hf high frequency 330 mhzfax, radiofax, and weather facsimile is a slow scan analog image transmission mode used for the transmission of press images, weather charts, newspapers, and meteorological reports. In the united states, the frequencies used for these systems may be grouped into four general bands or ranges. T he primary functions of wwv and wwvh are to transmit official standard time on highly accurate reference frequencies traceable to the u. Colorfull radio frequency spectrum allocations in the us, in pdf format. Firsthand physical research, correspondence, and open public domain sources 199720. I dont know if its because of the interferences or because the frequencies in the pdf are wrong. To all concerned certain text files and messages contained on this site deal with activities and devices which would be in violation of various federal, state, and local laws if actually carried out or constructed. The usaf high frequency global communications system is a worldwide network of 15 highpower hf stations providing command and control communications between ground agencies and us military aircraft and ships. Marine vhf radio channels the chart below summarizes a portion of the fcc rules 47 cfr 80. These frequencies extend up into the infrared frequencies and xray frequencies. If you want to tune in to noaa weather forecast maps, you need this data. Australian vhf marine radio frequencies, channels, and usage. Sdruno is an advanced software defined radio application platform which is.
The calling frequency is 16 and other operations are listed below. Florida scanner frequencies and radio frequency reference. Xtrais a collectionof sets from various sources, all chosenfor their reputationfor effectiveness. It also shows the internationally agreed spectrum allocations of the international telecommunication union itu.
List of common radio frequencies for the baofeng uv5r. Radio communication is an integral part of nautical life. Packet radio frequency recommendations of the ad hoc. Weather fax transmissions are made by vmc charleville and vmw wiluna. Beginner questions for the upcoming arrl vhf contest. Packet radio frequency recommendations of the ad hoc committee on amateur radio digital communication these recommendations are in response to board minutes 45a study designation of packetradio traffic channels and 45h study recommend ed operating frequencies for vhf packet and hf packet radio of the. The image is then displayed, for example like that. See marine radio watch requirements for further information. But to be fair, marcs mandate is to coordinate repeaters. Have you tried any other wefax software to see if the problem is systemic to fldigi. Radio frequemcy spectrum and allocations including.