Most Active Radio Frequencies. The FCC's Table of Frequency Allocations consists of the Internationa

The FCC's Table of Frequency Allocations consists of the International Table of Frequency Allocations ("International Table") and the United States Table of Frequency Allocations ("United States Table"). . Government Publishing Office. 000-14. HF bands The HF bands are by far the most popular bands in the amateur service. Aeronautical Off Route Sub-Bands These bands have been Mar 1, 2023 · Download our PDF of CB radio channels and frequencies chart to learn which ones are open to the public and their common uses. For amateur radio uses (HamRadio), World globe and maps, with live/realtime MUF maximum usable frequency, foF2 and Aurora Borealis layer. The most complete database of radio communications data We would like to show you a description here but the site won’t allow us. Tell distances, directions of antennas. Scanner Frequencies Welcome to Scanner Frequencies - A Police, Fire & EMS radio communications database with around two million radio scanner frequencies spanning the entire United States. I have a typical Mode AM or FM and frequency steps after the search range. It is a graphical representation of MUF within a 3000-kilometer range, allowing amateur radio station operators to estimate the best frequencies and paths for effective communication. 230 MHz in the 20-meter band. So what are the most active channels in your area? Nov 18, 2024 · When adding a new article for this topic, please CATEGORIZE the new pages by applying categories on the last line of the article, as follows: STEP 1: Please apply [ [Category:US and Canadian Common Frequencies]] (or one of its subcategories), for "articles that list frequencies which are used for the same purpose on both sides of the US/CA border ". I've never had any luck with that on my CountyComm GP-5, but they may just not be too active in this area. Which HF bands are most active for all-around use. Jun 27, 2023 · Common Aviation Frequencies: Learn about essential communication frequencies for pilots to enhance their radio skills. Last updated: March 2024 Best frequencies to listen for hams I live in the Midwest, and I know there are several hams out there in my area who broadcast regularly, but I'm not sure which frequencies to be tuning to in order to listen. Here are the Q signals most commonly used in day-to-day operation. Frequency mixing between GSM 900/1800 and GSM 850/1900 Some countries in Central and South America have allocated spectrum in the 900 MHz and 1800 MHz bands for GSM in addition to the common GSM deployments at 850 MHz and 1900 MHz for ITU-Region 2 (Americas). WWV is located near Fort Collins, Colorado, about 100 kilometers north of Denver. Apr 14, 2022 · The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U. I am thinking about buying a cheap HF rig and strongly considering the BitX40 since I have no problem assembling kits but i have no idea how active the 40 meter band is? I want to just try a smattering of all types of communication: CW, Digital, SSB, etc. 965 to 27. 98 and see what you hear. You may not hear anything unless you are listening at the right time, or you may hear another language, or you may hear some other country sharing the frequency. Nov 18, 2023 · WWV at 25. Additional Information, Frequencies, & Charts Also available are International VHF Maritime Radio Channels and Frequencies, Narrowband VHF Maritime Channels and Frequencies, Radio Information for Boaters, and U. A complete list of ham radio Q signals, including those used on nets and repeaters, is available via the AC6V Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency [1] range from around 20 kHz to around 300 GHz. A list of CB frequencies and CB radio channels follows. Here's a sample of what you can hear: U. g. 575 and 27. In the United States, regulatory responsibility for the radio spectrum is divided between the Federal Communications Commission (FCC) and the National Telecommunications and Information Administration (NTIA). 350 MHz). Aug 17, 2022 · One of the best tools to forecast HF (high-frequency) propagation is the online map shown below. Get a free printable band chart and Technician frequency guide! Jun 5, 2023 · Being aware of HAM radio frequencies & Bands is an essential part of your journey of becoming a successful ham radio operator in 2025. Most people are exposed to lower levels of RF radiation every day, from RF signals all around us. Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. The frequency and the period are related by the equation [4] The term temporal frequency is used to emphasise that the frequency is characterised by the number of occurrences of a repeating event per unit time. Search by State or County to lookup FCC license data and latitude and longitude information for a range of services and companies. I want to get a cheap HF rig. Jul 28, 2018 · HF Military Communications HF military communications can be found below 30 MHz. May 27, 2024 · Ham radio operators enjoy making contacts across town and around the globe. They come from radio and TV broadcasts, Wi-Fi and Bluetooth devices, cell phones (and cell phone towers), and other sources. Dec 23, 2025 · Amateur radio, often referred to as ham radio, is a fascinating hobby where enthusiasts communicate across various frequencies. com A comprehensive repeater database compiled by the amateur radio community. e Feb 25, 2020 · Shortwave Radio broadcasts are a great way to get a look at what’s going on around the world, and during times of crisis can play a vital role in your Mar 13, 2024 · North American Pirate Radio Frequencies By far the most active ranges in North America are 43 meters (6800-7000 kHz), 46 meters (6200-6400 kHz) and 73 meters (4000-4200 kHz), with some activity in the 60 meter band (4700-5300 kHz) as well. The initial channel allocations had a gap equal to two channel spaces between channels 22 and 23. ) to determine the recommended HF frequencies for contacts from your nearest BASE (New York, Boston, Atlanta, Orlando, Kansas City, Phoenix, San Francisco, and Seattle) to a desired location (local region, country, or continent). Amateur Radio Repeater Database Idaho ARRL 501 Repeaters, 336 Sites, 148 Visual Links, 36 Coverage Maps. 405 MHz. The following is a list of some of the more widely used Disclaimer: The Table of Frequency Allocations as published by the Federal Register and codified in the Code of Federal Regulations remains the legal source material. (a) For a station having a control operator who has been granted a Technician, General, Advanced, or Amateur Extra Class operator license or Radio-frequency identification Textile RFID tag for laundry with printed EPC and QR code. Please select a region or drag the map: Discover current solar and atmospheric conditions for ham radio propagation and learn to interpret charts for better HF band communication. 44 to 33. with news, information and resources. While the popularity of a specific band may vary depending on factors such as time of day, propagation conditions, and personal preferences, some bands are generally more popular due to their versatility and reliability. Many countries are better heard in non-English broadcasts. Feb 6, 2023 · This crazy, beautiful chart illustrates the incredible complexity of managing one of our nation’s most crucial – and invisible – national assets: the radio spectrum. Shortwave radio is a world apart from your standard AM/FM frequencies. For the allocation of frequencies the ITU has divided the world into three Regions. Note that the channel numbers are not necessarily sequential with frequency (e. Business Radio Frequencies: Keeping Operations Smooth Business radio frequencies are used by companies for internal communication. However, most operators use considerably less power than this maximum. Map of radio stations in North America Carte radio de l'Amérique du Nord / Mapa de estaciones de radio en América del Norte Click on a city to review full AM/FM frequency list for selected location. Home of the world's largest radio/scanner frequency database Celebrating 28 years of no ads and no subscriber fees. We would like to show you a description here but the site won’t allow us. Standard 30. Apr 6, 2023 · Amateur radio operators have access to a variety of frequency bands, each with unique characteristics and applications. From Low Frequency (LF) to Very-High Frequencies (VHF), each band has distinct characteristics and propagation conditions. The modes and types of allocations within each frequency band is called a bandplan; it may be determined by regulation, but most typically is set by agreements between amateur radio operators. Disclaimer: The Table of Frequency Allocations as published by the Federal Register and codified in the Code of Federal Regulations remains the legal source material. Under the FCC's rules, amateur operators can transmit with power levels of up to 1500 watts. Worldwide AM and FM frequencies by country Explore the airwaves of the world through a thorough map of AM frequencies and FM frequencies. Amateur Radio: Usable HF Frequencies (page refreshes every 20 minutes) Use the indicated color (red, yellow, green, blue, white, etc. Any white "bubble" indicates no Jul 22, 2023 · Overview Airborne planes can easily be heard from well over 100 miles, so you don't have to live near an airport. Jan 5, 2023 · In your area, what is the most used channel/frequency? Here, the most tied up frequency is generally [. Coast Guard VHF Distress and Safety Coverage Charts. Try out new SW Radio frequencies and enjoy listening to talk shows, music and news. Nov 18, 2019 · The best shortwave radio stations are the channels to help you to expand your horizons. This article is about amateur radio frequencies, what they are and the different types of frequencies available for ham radio. Frequency allocations vary by country and ITU region. Voted #1 Best Radio Website (2009 Users Choice Award) Forums Map Search Database Search Live Audio Alerts Wiki Click on a state below to see frequencies and information for that Complete guide to amateur radio frequency bands. Some frequency bands may be vulnerable to interference by existing services in adjacent frequency bands, such as UHF television broadcasting. 106 of the Commission's Rules. all the local amateur radio repeaters, a list of nets/times of activity, NOAA radio frequencies that cover your area, A list of broadcast radio frequencies to get news updates. Most notably, a Full Halo Coronal Mass Ejection (CME) was observed and is currently being modeled for its trajectory. That's where you'll find a lot of ham radio operators as well as local public safety calls. Local contacts and world-wide propagation are all possible at almost anytime with careful selection of the right frequency for the time of day, time of year, and current state of the sunspot cycle. The radio website where people have a clue. Please apply [ [Category:US Common A diagram of the electromagnetic spectrum, showing various properties across the range of frequencies and wavelengths The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The most active ham frequency is typically around 14. For specific characteristics of each band, click on the links below. Oct 1, 2020 · Learn about the radio frequency bands used worldwide and how Tele Radio designs solutions to meet regional compliance requirements. It will soon be available to print from the U. 11 and 26. 5 days ago · An interactive map that shows real time, worldwide radio activity and propagation specific to the user's location on all amateur radio HF bands. Click here Aug 17, 2022 · Current Ham Band Propagation Conditions provides an overview of HF band conditions for ham radio using charts that explain current solar and geomagnetic activity. The period T is the time taken to complete one cycle of an oscillation or rotation. Apr 1, 2022 · We have put together the list of all Shortwave Radio stations and their frequencies for USA and Europe. Shortwave bands are frequency allocations for use within the shortwave radio spectrum (the upper medium frequency [MF] band and all of the high frequency [HF] band). Although there are other repeaters that people generally use, they are never usually as active as the other frequencies. 575/channel 16] and [. I've scanned the remote broadcast pickup channels in the 26 MHz range for signs of life. HF, VHF, UHF allocations, wavelengths, and propagation characteristics for ham radio operators. Jul 27, 2023 · Ham radio operators play a vital role in transmitting important information. Apr 13, 2017 · Here are some popular bands to search in North America on your scanner for new frequencies and includes some international emergency or calling frequencies. The 33 MHz fire frequencies are also a good indicator. This Online Table of Frequency Allocations may display amendments that have been adopted by the FCC but that have not yet taken effect. Looking at the frequency range, he might be able to listen in to some of the CB chatter in the area, too. 2500 Time/Frequency Standard Stations WWV/WWVH Ft. In addition to radio frequencies used to connect handsets with cellular base stations, other parts of the radio spectrum are used to interconnect base stations and the wired telephone network. Get a list of popular ham radio emergency frequencies, available as a PDF. The FCC's Table of Frequency Allocations is codified at Section 2. Few shortwave (SW) frequencies operate 24 hours. The Sun is showing incredible activity today! We are analyzing a major X1. Explore the dial Feb 13, 2020 · When it comes to go-to radio frequencies to monitor during an emergency, some of the most productive and useful frequencies you are going to find fall within the Ham Radio bands. They are not ‘absolute’ frequencies but instead are ‘centres of activity’ and emergency communications may be found ±20kHz from these centres. Channel spacing is 10 kHz between channel centers with exceptions where CBRS channels are adjacent to Radio Control Radio Service. The United States Frequency Allocations: The Radio Spectrum Chart was updated in September 2025, using data as of March 2025. Amateur Radio Frequency Table RadioReference Database Browse - United States United StatesCanadaAustralia----------AfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and Engaging with your local amateur radio community can provide valuable insights into which frequencies are most active in your area. The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U. Find repeaters near you, update them, comment, and recommend. Search pre-defined bands such as Aircraft, Military, Railroads, Government, Public Safety and more from 29 MHz up to 928 MHz. Apr 4, 2022 · Billy Bertrand HAM RADIO 4y · Public What are the most popular frequencies to talk on HAM radio? To DX on? Excuse my ignorance. The highlighted shortwave bands in the list below are the most popular and easiest bands to receive with a good receiver and antenna. *Flights may call on-ground VHF for HF frequency assignments at the designated gateways or on the extended range VHF when airborne. Radio waves (formerly called Hertzian waves) are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic spectrum, typically with frequencies below 300 gigahertz (GHz) and wavelengths greater than 1 millimeter (⁄64 inch), about the diameter of a grain of rice. Some bands may not be available or may have restrictions on usage in certain countries or Oct 20, 2005 · As for individual frequencies, some are scheduled, some are not. May 2, 2025 · What are the radio frequency bands and uses of RF bands, Radio Frequency Spectrum, VLF, VHF, SHF, UHF, EHF and micrometer bands in RF communication Jun 21, 2024 · Input the frequency: Manually enter the desired frequency or use software for programming multiple frequencies. These frequencies help businesses coordinate activities, manage logistics, and improve overall efficiency. 9 Solar Flare from Active Region 4341. The frequencies 27. Search from 33. 0 (E-S) (E-S) HFLINK is the international resource for ALE Automatic Link Establishment High Frequency Communications, HF Digital Messaging, Emergency / Disaster Relief, Interoperative HF Communications, HF Network, Ham Radio. Bob Hinkle and 25 others 26 reactions · 107 comments 󱎖 Off-road call frequency for ham radios in trucks? Devin Speers Southern Ontario 4x4 Off- road Club™ 5y · Public For the guys that do run HAM radios in your Scanner Frequencies Most frequencies above 30 MHz are assigned on a local basis. between channels 15 and 16). The AM Maps by Frequency, FM Maps by Frequency, and TV Maps by Channel tabs on the left open searches of AM and FM frequencies, or Television channels. The most popular is the 144-MHz (2-meter) band. Some pirates have even shown in in the SWBC bands, including 49, 31 and 25 meters. Understanding band usage and regulations is crucial for effective communication among ham radio operators worldwide. Aug 17, 2022 · The following map visualizes the current ionospheric conditions that affect global HF radio propagation, aiding radio operators in assessing optimal frequencies and communication paths. International Shortwave Broadcast Bands Frequencies Best Shortwave Bands and Expected Characteristics for Reception The information below will give you the shortwave band characteristics you can expect for each band. Click on a frequency or channel to generate a map of the AM, FM, or TV licensed stations in the USA that are using the specific frequency or channel. For most common emergencies within the frequency, tuning in to channel 9 will give you real-time updates but if you’re avoiding traffic and roadblocks, the popular CB channels are 17 and 19. If you do live near an airport, you can find out all the traffic control, weather, and Traffic Advisory frequencies by entering the airport at AirNav. To know where to listen for your local police or fire department, you'll need a frequency guide or directory for your locality. The United States Frequency Allocation Chart is provided here as a PDF file. Jun 2, 2024 · Knowing which frequencies are used for public safety can help you stay informed during a crisis. Here are ham radio frequencies every operator should know. However, some frequencies, particularly those used for emergency or inter-agency communications, have been allocated nationally. And if you read till the end, you’ll find a simple and insightful way of finding these frequencies to program in your device. Studies by the FCC and others have shown that most amateur radio transmitters would not normally expose persons to RF levels in excess of safety limits. Aug 11, 2022 · HF Ham Bands and Frequencies Common ham radio Q signals Hams use three-letter Q signals on every mode and even in face-to-face conversation. The FCC, which is an independent regulatory agency, administers spectrum for non-Federal use (i. At most small airports that don't have control towers, the UNICOM frequency is used by the pilots use to talk to each other Citizens band radio (CB radio) is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals, using two-way radios operating near 27 MHz (or the 11-m wavelength) in the high frequency or shortwave band. NIST radio station WWV broadcasts time and frequency information 24 hours per day, 7 days per week to millions of listeners worldwide. Local clubs often organize events, training sessions, and emergency preparedness drills, creating a sense of camaraderie among ham operators. Collins, CO/Kauai, HI (AM) 2511 US Federal/State Government Operation Secure Nationwide 2518 US Navy Tactical Network Worldwide 2520 US Army National Guard Nationwide (USB/ALE) 2535 US Federal/State Government Operation Secure Nationwide 2562 US Navy Hurricane Contingency Support Net Gulf of Mexico We would like to show you a description here but the site won’t allow us. Feb 20, 2025 · Shortwave Listening Tips: Listen to Asia mainly in the morning and listen to Europe mainly in the evening. From low to high frequency these are: radio waves The CB Radio Service spectrum is divided into 40 numbered radio frequency channels from 26. 13 seem to be the most active, at least from what I can pick up. 26. 0 MHz can give you a hint about low band being active. The radio spectrum is the radio frequency (RF) portion of the electromagnetic spectrum. What Ham Radio Frequencies should I Listen to? The Ham radio world is diverse. Radio waves are EM (Electromagnetic)waves that have wavelengths between 1 millimeter and 100 kilometers (or 300 GHz and 3 kHz in frequency). The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band. 585 are for low-power use. S. The gaps exist for radio-controlled (R/C) device frequencies. Jan 5, 2023 · Critical frequencies for critical NOAA weather alerts, ham radio, & more to stay informed & communicate if other systems fail. Here you will find a comprehensive list of countries sorted according to the continent they belong to. Frequency - Predefined Bands - Most industry types are assigned a pre-defined band (range) for frequencies. This is because of improved propagation conditions on the lower frequencies or bands, reduced static noise created by storms, and because shortwave broadcasters like to aim for the local evening hours for their primary audience since most of them will now be at home listening to their World Band (Shortwave) radio receivers. Some common uses of RF radiation Microwave ovens The 2026 Shortwave Frequency Guide covers the latest 2026 schedules of all clandestine, domestic, and international broadcast stations worldwide from our 2026 Super Frequency List on CD. You'll need to do your homework regarding the radio service of interest for the best listening, otherwise it's hit or miss. Keep a log of the frequencies and note the times and types of activity you hear. If you want to hear the civilian aircraft frequencies, you'll want to look for a radio that has the 118 to 136 MHz air band. Jan 2, 2026 · These frequencies have been adopted into the bandplans of each IARU region to be a focus for emergency communications in their areas. Ham radios are commonly used in emergency situations. Note that 220+ broadcast stations are still active on shortwave! The new edition has 324 pages. This frequency is well-known for its vibrant activity, especially during contests and events when operators from around the world connect. Each signal can be a question or an answer, as shown in the Meaning column. Monitor the channels: Tune in to different frequencies to listen to air traffic communications and gain insight into aviation operations. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a transmitter. Navy Operations United States Coast Guard Operations Flight status updates Many military stations, both US and foreign, use ALE to establish a good communications path before sending traffic. 675/channel 20]. Air Force Operations U. Please add any search ranges or important nation/international emergency frequencies you see are missing. But with all the amateur radio frequency bands available, which ones are the most popular and active? In this article, I’ll discuss what amateur frequencies you should listen to based on your interests. This event triggered a Type Two and Type Four radio emission, along with a significant ten-centimeter radio burst. Often regarded as one of the most popular audio technology hobbies, shortwave makes it easy to pick up streams far and wide. Jan 28, 2024 · Amateur radio enthusiasts utilize specific frequency bands allocated globally for communication. RepeaterBook. National authorities regulate amateur usage of radio bands. May 10, 2025 · Explore 2025 ham radio frequencies, including the 20 meter band (14. 0 FIXED MOBILE Frequency and SATELLITE SATELLITE Time Signal Satellite (S-E) 31. Feb 25, 2025 · Scanner Frequencies and Radio Frequency Reference for Amateur Radio (United States) We would like to show you a description here but the site won’t allow us. Apr 8, 2023 · By scanning through the amateur radio bands, you may discover active frequencies used by operators in your area. The world's largest radio/scanner frequency database. Band conditions change from day to day and It’s a good thing that CB radios have 40 available CB radio frequencies & channels with 15 miles of CB channel frequency reach. The following transmitting frequency bands are available to an amateur station located within 50 km of the Earth's surface, within the specified ITU Region, and outside any area where the amateur service is regulated by any authority other than the FCC.

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