Radio Reference Frequencies. Low-frequency Giant Metrewave Radio Telescope observations of

Low-frequency Giant Metrewave Radio Telescope observations of selected sources. RR doesn't accept frequencies with partial info to be entered into the database. The American Association of Railroads (AAR) has assigned channel numbers to each standard voice radio frequency. May 4, 2014 · FCC Callsign WPNQ494 (STARR-LITE POOLS OF HIGHLANDS COUNTY INC) FCC Callsign: WPNQ494 (STARR-LITE POOLS OF HIGHLANDS COUNTY INC) Radio spectrum The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 KHz to 3,000 GHz (3 THz). Sep 23, 2024 · Commence The Comprehensive Radio Reference: A Guide For Every Frequency reading today and get engrossed The Comprehensive Radio Reference: A Guide For Every Frequency in the enthralling The Comprehensive Radio Reference: A Guide For Every Frequency world of manga!. 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. Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. This category: Is a sub-category of: "Category:United States Frequencies", "Category:Canada Frequencies". Mar 13, 2016 · Welcome to the "Category:US Common Frequencies" category. Search anything about Ideas in this website. In the past I've used handheld scanners that come with pre-programmed service bands, but I haven't been able to find something similar for Types of radio emissions The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals. 3 days ago · Discover Ohio's scanner frequencies and radio frequency references on this comprehensive resource for enthusiasts and professionals. Each type of radio emission is classified according to its bandwidth, method of modulation, nature of the modulating signal, and type of information transmitted on the carrier signal. Members are encouraged to validate 4 days ago · Explore scanner frequencies and radio frequency references for New Jersey on RadioReference. This category: Is a sub-category of: "Category:Canada Frequencies". Nov 7, 2023 · Family Radio Service (FRS) Family Radio Service (FRS) The Family Radio Service is a "licensed-by-rule" (Individual licenses not required) two-way, very short-distance voice and data communications service for facilitating family and group activities. 00625 WQPS519 RM 293 NAC STLFD DVRS A CMD Fire 1 day ago · Hello all, I have a Uniden BC125AT analog scanner and am looking for a police, fire, emergency, and related frequency file for WV, main county Marion, to upload through the program for the scanner. 2 days ago · Explore scanner frequencies and radio information for New York City County, NY. Nov 19, 2025 · State and regional frequencies are usually found on the Common/Shared or Statewide drop-down list on the main RadioReference Database page for each state, or on county database pages. 0 of the RRDB on May 15, 2022Here is a quick guide on where to find the information within the new RRDB Platform. 4 days ago · Comprehensive database of scanner frequencies and radio frequency references for the state of Missouri. J. Radio Reference released version 2. 585 are for low-power use. Nov 18, 2024 · Please apply [ [Category:US Common Frequencies]] for "articles that list frequencies which are used for the same purpose and are allocated to the same entity, in all US States". The gaps exist for radio-controlled (R/C) device frequencies. The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U. The General Mobile Radio Service (GMRS) is a land-mobile FM UHF radio service designed for short-range two-way voice communication and authorized under part 95 of the US FCC code. Dec 18, 2025 · Scanning known common frequencies/tones will help identify these same stores when you are in their vicinity. Sometimes referred to as "bubble pack business band" frequencies, these are typically used by low power hand held business radios. These are the old frequencies I have programed: Ohio A list of CB frequencies and CB radio channels follows. Lists all the articles for Category:United States that contain Wiki Frequencies information as submitted by the members. These frequencies are shared with the General Mobile Radio Service (GMRS). The radio website where people have a clue. I am a bit out of touch the past few years and I know 18 hours ago · STL City FD periodically uses vehicle repeaters on P25 system as follows: Can I program all 5 under one knob position or a new zone with each frequency on a separate knob position? what tab do I program these in? (I'm just being lazy now. This creates a heterodyne or "beat" signal at the difference between the two frequencies. The frequencies 27. between channels 15 and 16). Dec 30, 2025 · Scanner Frequencies and Radio Frequency Reference for England (EN) Mar 16, 2025 · Many decades ago radio manufacturers adopted a color coding scheme so that radio users could easily identify which frequencies their equipment operated on. Although all these licensing systems contain similar administrative and technical information about licensed and applied for facilities, the structure of the data bases varies according information required to RadioReference Database Browse - United States United StatesCanadaAustralia----------AfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and Login to RadioReference. 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. Members are encouraged to Apr 20, 2025 · Scanner Frequencies and Radio Frequency Reference for National Interoperability (United States) Jan 8, 2026 · Explore scanner frequencies and radio frequency references for the state of Connecticut. Nature, 566 (7743). com On this site, you can view various different frequencies for many different agencies. Download print or program UK frequencies into your radio scanner or software, scanner export for Uniden SDS100E, SDS200E, UBC3600XLT, UBC125XLT, BCD436HP, BCD536HP, Whistler TRX-1, TRX-2, AOR DV1, AOR DV10, Chirp, SDRSharp and SDRUno formats. Oct 19, 2025 · Amateur Radio Frequency Coordinators Below are lists containing the regional frequency coordinator web sites, some of which contain public repeater listings or databases. RadioReference Network Account Registration Choose a unique username for your account. In general, data in any Wiki article: might not be accurate. Explore our data and community Database Explore and search our database of over 224K identified frequencies and 7. com. 230-234 doi:10. This category: Is a sub-category of: "Category:US Federal Government", "Category:United States Frequencies". Name Email address I agree to the Terms and Conditions Feb 25, 2025 · Scanner Frequencies and Radio Frequency Reference for Amateur Radio (United States) Sep 2, 2023 · The RadioReference. Sep 7, 2025 · Ultrasound frequencies in diagnostic radiology range from 2 MHz to approximately 15 MHz. com, Repeater, Scanner Frequencies, System Ids, System Types, Trunking Search and browse the most complete database of radio communications data, including frequencies, talkgroups, trunked systems and encrypted channels. 675-Orange For suggested and unofficial channel usages see the Family Radio Service and General Mobile Radio Service wiki articles. Search by State or County to lookup FCC license data and latitude and longitude information for a range of services and companies. Lists all the articles that list frequencies which are used for the same purpose on both sides of the US/CA border, as submitted by the members. Note that the channel numbers are not necessarily sequential with frequency (e. 575-White, 462. 5 days ago · Explore scanner frequencies and radio frequency reference for the state of Pennsylvania on this comprehensive database. 625-Black, 462. 3 days ago · Discover scanner frequencies and radio frequency references for the state of North Carolina on RadioReference. Most of the same frequencies are be used for cross-border operations with Canada. (2) GMRS repeater output. Dec 18, 2011 · RadioReference Discussion Forums For general questions not specific to a model of scanner or general discussion of use of a scanner. The frequencies used by UHF channels 70 through 83 (shaded blue above) were reallocated to the Land Mobile Radio System (Public Safety and Trunked Radio) and mobile phones in a CCIR worldwide convention in 1983. Jan 2, 2026 · Scanner Frequencies and Radio Frequency Reference for Maricopa County, Arizona (AZ) Sep 17, 2025 · Notes (1) Shared FRS and GMRS simplex. Members are Oct 19, 2020 · Welcome to the "Category:US Federal Government Frequencies" category. 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 state. Members are encouraged to validate and edit the articles Use this online tool to search for frequencies, locations, or licensees. Jan 14, 2019 · National Radio Data - is an on-line subscription-based provider of nationwide scanner frequencies, trunked frequencies, ham radio, and mass media for DXing. Does anyone know what happened? Does anyone know the new system and frequencies? I've been listening to Euclid PD & Fire for over 15 years. 2 days ago · Scanner Frequencies and Radio Frequency Reference for Ontario (ON) Scanner Linker - Connects your radio scanner to your PC for superfast frequency lookups, automatically looks up the nearest user of a frequency Oct 29, 2024 · As a basic definition, scanning involves listening (and, at times, looking) on frequencies just below, above and around the standard FM and TV broadcast bands. Lists all the articles for Category:US Federal Government that contain United States Frequencies information as submitted by the members. Members are Feb 22, 2024 · The thing is that FCC and other sources only has the name of the license holder of the frequency, that can be a radio company, and the actual users can be a totally different company. There are numerous services that use this spectrum - from police and fire, to the guy that picks up your garbage and lots in between. Lists all the articles that list frequencies which are used for the same purpose and are allocated to the same entity, in all Canada Provinces, as submitted by the members. UK Nationwide Frequencies Area Uk. Mar 13, 2016 · Welcome to the "Category:US and Canadian Common Frequencies" category. 1038/s41586-018-0867-7 Sep 23, 2024 · The RadioReference. :) 769. A frequency synthesizer is an electronic circuit that generates a range of frequencies from a single reference frequency. Mar 13, 2016 · Welcome to the "Category:United States Frequencies" category. There are a few other sites such as Monix and Citywide, but they can only be copied from a pdf or some other file format. g. Jan 11, 2026 · Comprehensive database of scanner and radio frequencies for Tennessee, providing easy access to frequency information for various communication systems. Below are the categories / subjects / topicsthis database contains record entries about and the number of entries under each of them: May 31, 2017 · This entry was posted in RadioReference. S. Konar, C. com Wiki Reference This is the RadioReference. Jan 23, 2024 · The FBI can also access state police radio and regional mutual Aid systems in many states. com Open Reference Source, the Radio Communications Resource that any RadioReference user can edit. Sources for the list below include frequencies found on Radioreference. Jan 11, 2026 · Find Massachusetts scanner frequencies and radio frequency references for various systems, including conventional and trunked networks. 21 hours ago · Scanner Frequencies and Radio Frequency Reference for New York Federal (New York) 2 days ago · Oct 18, 2025 ecps92 E Bloomington area unidentified frequencies ericcarlson Jul 20, 2025 Minnesota Radio Discussion Forum Replies 2 Views 780 Today at 5:37 PM 5 days ago · Hi All, First time poster here, wanting to update my scanners but before I do so I was wondering if anyone happens to have a countywide rundown of which departments are operating on which frequencies/systems, including the coordinators. Amateur Radio operators should use their callsign whenever possible. Higher ultrasound frequencies have shorter wavelengths and provide better detail and spatial resolution (recall that axial resolution (ultrasound) = ½ ⨉ spa RadioReference Database Browse - United States United StatesCanadaAustralia----------AfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and , (2019) Observations of fast radio bursts at frequencies down to 400 megahertz. Lists all the articles that list frequencies which are used for the same purpose and are allocated to the same entity, in all US States, as submitted by the members. 1 day ago · Here on the RadioReference Forum the frequencies are the same ones I have my scanner programed with. (4) Color frequencies on some older business radios, 462. National Radio Data also provides worldwide airport frequencies, civil aviation registry information, public service information, and more. A D suffix indicates a repeater output frequency used in direct (simplex) mode; for example, LLAW1D is simplex on the output frequency of LLAW1. Jan 5, 2026 · Scanner Frequencies and Radio Frequency Reference for Middlesex County, Massachusetts (MA) Oct 8, 2023 · This feels like a dumb question, but where can I find a list of bands of interest to program into a scanner plugin? I'm in the USA if it matters. Be sure t Feb 22, 2016 · Welcome to the "Category:Canada Common Frequencies" category. Frequency synthesizers are used in devices such as radio receivers, televisions, mobile telephones, radiotelephones, walkie-talkies, CB radios, cable television converter boxes, satellite receivers, and GPS systems. 4 days ago · Explore comprehensive scanner frequencies and radio frequency references for the state of Texas. This category: Is a sub-category of: "Category:United States Frequencies". 4 days ago · The webpage provides scanner frequencies and radio frequency information for the state of Indiana. with news, information and resources. Feb 21, 2016 · Current VHF Railroad Frequencies From The RadioReference Wiki Railroad radios display the transmit and receive frequency as AAR channel numbers. Explore our data and community Database Explore and search our database of over 224K identified frequencies and 7. 3 days ago · Explore Wisconsin's scanner frequencies and radio frequency reference for comprehensive communication information in the state on RadioReference. , Machalski, J. com and tagged Alpha Tag, Analog Scanners, Conventional, Database, DEC, Digital Scanners, Digital Trunking, Dispatch, Fire Frequencies, Frequency Database, Frequincies, HEX, Police Scanner Frequencies, Radio Reference, RadioReference. Is anyone able to create an updated DB file and is it even worth it, as everything is digital and Jan 2, 2026 · FCC Callsign WSKZ801 (NORTHERN CHEYENNE HEAD START) FCC Data Last Updated On: 2026-01-15 12:14:41 CT A reference signal of a known frequency near the unknown frequency is mixed with the unknown frequency in a nonlinear mixing device such as a diode. [7] 3 days ago · Scanner Frequencies and Radio Frequency Reference for Los Angeles County, California (CA) 3 days ago · Explore scanner frequencies and radio frequency references for the state of Virginia. We would like to show you a description here but the site won’t allow us. 4 days ago · Find California scanner frequencies and radio frequency references for various counties and agencies in the State of California. It has been found that the FBI also uses the following NAC's - 167, 070, 293, 330 in various regions Where can I find a list of frequencies in my area? Are you looking for a way to monitor the frequencies in your area? You will need a scanner, which you can purchase online or in many specialty stores, or you can visit RadioReference. RadioReference Database Browse - United States Please see Nationwide Frequencies in use in this country. Aug 3, 2016 · The following is an index to radio assignment information extracted from the various licensing systems at the Commission and made available to the public via the Commissions Web site. RadioReference Database Query - United States Nationwide scanner frequency database, including police, fire, rescue, racing frequencies, airport, railroad, taxi, amateur radio, ham radio call signs Up-to-date and easy to find! Aug 23, 2025 · Listed below are standard frequencies used by railroads in the United States. The Web service works by providing radio programming software applications direct access to the database through a set of common, documented communications standards. (3) GMRS repeater input only. 3 days ago · Explore Florida scanner frequencies and radio frequency references for various counties and agencies, providing comprehensive details on communication systems statewide. Mar 8, 2021 · Radio Reference is the most comprehensive listing of shared frequencies that can be found on the internet. 1K trunked radio systems. Find information on emergency services, fire tone outs, and more. See the latest database trends, changes and statistics. Please feel free to share your knowledge by contributing information. com UK Nationwide Frequencies Jan 2026. Check out our ham radio frequency card selection for the very best in unique or custom, handmade pieces from our greeting cards shops. Search for radio frequencies, scanner information, and communications resources on RadioReference. Jan 11, 2026 · Find the newest frequencies for your digital radio scanner. (2007) A multifrequency study of giant radio sources - I. 575 and 27. com Web service provides users the ability to download scanner frequency and trunked radio system information directly from the database to their radio. Canadian radio systems and spectrum utilization policies set the necessary elements for the use of frequency bands and/or radio services. , Jamrozy, M. RadioReference Database Browse - United States Explore our data and community Database Explore and search our database of over 224K identified frequencies and 7. com and other regional frequency pages and scanner forums. Home of the world's largest radio/scanner frequency database Celebrating 28 years of no ads and no subscriber fees. [4][additional citation (s) needed] Dec 29, 2025 · Scanner Frequencies and Radio Frequency Reference for California Highway Patrol (CHP) (California) 2 days ago · Scanner Frequencies and Radio Frequency Reference for New York (NY) 1 day ago · Explore Alabama's scanner frequencies and radio frequency reference with RadioReference's comprehensive database for enthusiasts and professionals. RadioReference Database Query - United States - Entire Database - Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina Non-operability occurs due to use of outdated equipment, limited availability of radio frequencies, isolated or independent planning, lack of coordination, and cooperation, between agencies, community priorities competing for resources, funding and ownership, and control of communications systems. , Saikia, D. Spectrum policies have traditionally designated the use of a radio service to certain applications in a particular frequency band, or bands. This category: Is a sub-category of: "Category:United States", "Category:Wiki Frequencies". Manufacturer specific posts should be directed to the appropriate forums below and location specific posts should go in the appropriate regional forum. 3 days ago · Explore Illinois scanner frequencies and radio frequency references for various services and agencies with this comprehensive database. This powerful cross reference search is useful for locating all scanner frequencies related to an entity or call sign and to view other entities using the same scanner frequency. . Infomation comes from Industry Canada's database of frequency allocations.

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