|
WHFS (AM)
WJBR (1010 kHz) is an AM radio station licensed to Seffner, Florida, United States, serving the Tampa Bay market with an all-podcast format known as "Podcast Radio US". Owned by the Beasley Broadcast Group, the station's studios are located on Executive Center Drive in St. Petersburg. By day, WJBR transmits with 50,000 watts, the maximum for commercial AM stations. As 1010 AM is a clear channel frequency reserved for Class A stations CFRB Toronto and CBR Calgary, WJBR must reduce power to 5,000 watts at night. Its transmitter is off Martin Luther King Jr. Boulevard ( Florida State Road 574) in Seffner, using a directional antenna with three-tower array to protect other stations from interference. It is directional towards the east and west to protect WJXL Jacksonville by day, which also operates on 1010 AM. WJBR's call sign was granted by the Federal Communications Commission on September 19, 2023. It is also heard on one FM translator, at 92.1 MHz in Tampa. History MOR a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seffner, Florida
Seffner is a census-designated place (CDP) in Hillsborough County, Florida, United States. The population at the 2020 census was 8,362, up from 7,579 at the 2010 census. Located approximately east of downtown Tampa, Seffner is considered a suburb. Though still characterized by towering live oak trees, strawberry farms and lakes, Seffner has been growing rapidly in recent years, with housing subdivisions being added to the once rural landscape. History Some historians claim that Seffner's streets were originally laid out in 1862, but not recorded as a plat formally until 1885. Seffner's post office opened in 1884, when a new railroad line in the area had been planned. The community was named for its first postmaster, Frederick P. Seffner. That same year, Seffner's first school and store were opened. Seffner quickly became a prosperous small community with citrus groves, a hotel, one drug store, several dry goods stores, and a livery stable. When an epidemic of yellow fever hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio Broadcasting
Radio broadcasting is the broadcasting of audio signal, audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in ''satellite radio'' the radio waves are broadcast by a satellite in Earth orbit. To receive the content the listener must have a Radio receiver, broadcast radio receiver (''radio''). Stations are often affiliated with a radio network that provides content in a common radio format, either in broadcast syndication or simulcast, or both. The code, encoding of a radio broadcast depends on whether it uses an analog signal, analog or digital signal. Analog radio broadcasts use one of two types of radio wave modulation: amplitude modulation for AM radio, or frequency modulation for FM radio. Newer, digital radio stations transmit in several different digital audio standards, such as DAB (Digital Audio Broadcas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tower Array
A tower array is an arrangement of multiple radio towers which are mast radiators in a phased array. They were originally developed as ground-based tracking radars. Tower arrays can consist of free-standing or guyed towers or a mix of them. Tower arrays are used to constitute a directional antenna of a mediumwave or longwave radio station. The number of towers in a tower array can vary. In many arrays all towers have the same height, but there are also arrays of towers of different height. The arrangement can vary. For directional antennas with fixed radiation pattern, linear arrangements are preferred, while for switchable directional patterns (usually for daytime groundwave versus nighttime skywave), square arrangements are chosen. Examples Tower arrays with guyed masts * Longwave transmitter Europe 1 * Transmitter Weisskirchen * Beidweiler Longwave Transmitter * Transmitter Wachenbrunn * Transmitter Ismaning (VoA-Station) Tower arrays with free-standing towers * Junglins ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Directional Antenna
A directional antenna or beam antenna is an antenna that radiates or receives greater radio wave power in specific directions. Directional antennas can radiate radio waves in beams, when greater concentration of radiation in a certain direction is desired, or in receiving antennas receive radio waves from one specific direction only. This can increase the power transmitted to receivers in that direction, or reduce interference from unwanted sources. This contrasts with omnidirectional antennas such as dipole antennas which radiate radio waves over a wide angle, or receive from a wide angle. The extent to which an antenna's angular distribution of radiated power, its radiation pattern, is concentrated in one direction is measured by a parameter called antenna gain. A high-gain antenna (HGA) is a directional antenna with a focused, narrow beam width, permitting more precise targeting of the radio signals. Most commonly referred to during space missions, these antennas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Florida State Road 574
State Road 574 (SR 574) is an east–west state highway in Central Hillsborough County, Florida. It runs from northwestern Tampa, Florida, Tampa to Plant City, Florida, Plant City, and parallels County Road 574 (Hillsborough County, Florida), County Road 574 west of Mango, FL, Mango. Route description Beginning at the intersection of U.S. Route 92 (US 92 or the Dale Mabry Highway) on the north side of Raymond James Stadium and the site of the former Tampa Stadium as Martin Luther King Jr. Boulevard (formerly Buffalo Avenue), SR 574 is a six-lane divided highway until it passes the home office of the Tampa Bay Buccaneers, and narrows down to a four-lane divided highway. Instantly, the road is surrounded by the Tampa Branch of St. Joseph's Hospital. The road remains a four-lane divided highway until it reaches Armenia Avenue and becomes a four-lane undivided highway with occasional left-turn lanes. The road crosses the Hillsborough River (Florida), Hillsborough River over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transmitter
In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna (radio), antenna with the purpose of signal transmission to a radio receiver. The transmitter itself generates a radio frequency alternating current, which is applied to the Antenna (radio), antenna. When excited by this alternating current, the antenna Electromagnetic radiation, radiates radio waves. Transmitters are necessary component parts of all electronic devices that communicate by radio communication, radio, such as radio broadcasting, radio (audio) and television broadcasting stations, cell phones, walkie-talkies, Wireless LAN, wireless computer networks, Bluetooth enabled devices, garage door openers, two-way radios in aircraft, ships, spacecraft, radar sets and navigational beacons. The term ''transmitter'' is usually limited to equipment that generates radio waves fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calgary
Calgary () is a major city in the Canadian province of Alberta. As of 2021, the city proper had a population of 1,306,784 and a metropolitan population of 1,481,806 making it the third-largest city and fifth-largest metropolitan area in Canada. Calgary is at the confluence of the Bow River and the Elbow River in the southwest of the province, in the transitional area between the Rocky Mountain Foothills and the Canadian Prairies, about east of the front ranges of the Canadian Rockies, roughly south of the provincial capital of Edmonton and approximately north of the Canada–United States border. The city anchors the south end of the Statistics Canada-defined urban area, the Calgary–Edmonton Corridor. Calgary's economy includes activity in many sectors: energy; financial services; film and television; transportation and logistics; technology; manufacturing; aerospace; health and wellness; retail; and tourism. The Calgary Metropolitan Region is home to Canada' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CBR (AM)
CBR is a Canadian non-commercial public radio station in Calgary, Alberta. It broadcasts the programming of the CBC Radio One network, both on 1010 kHz on the AM dial (as a Class A clear-channel station) and 99.1 MHz on the FM dial as CBR-FM-1. The studios are in the Parkdale neighbourhood of northwest Calgary. The AM transmitter is east of Calgary, off the Trans-Canada Highway in Rocky View. The FM transmitter is off Old Banff Coach Road near 85th Street SW in Calgary. The AM daytime signal covers most of the southern two-thirds of Alberta. It can be heard at city-grade strength from Red Deer to Lethbridge, and provides secondary coverage as far as Edmonton to the north and several counties on the Montana-Alberta border to the south. At night, it covers most of the western half of North America, but is strongest in Western Canada. CBR-FM-1 has an effective radiated power (ERP) of 1,870 watts (7,000 watts maximum). It covers Calgary and its adjacent suburbs. History CBX ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toronto
Toronto ( , locally pronounced or ) is the List of the largest municipalities in Canada by population, most populous city in Canada. It is the capital city of the Provinces and territories of Canada, Canadian province of Ontario. With a population of 2,794,356 in 2021, it is the List of North American cities by population, fourth-most populous city in North America. The city is the anchor of the Golden Horseshoe, an urban agglomeration of 9,765,188 people (as of 2021) surrounding the western end of Lake Ontario, while the Greater Toronto Area proper had a 2021 population of 6,712,341. As of 2024, the census metropolitan area had an estimated population of 7,106,379. Toronto is an international centre of business, finance, arts, sports, and culture, and is recognized as one of the most multiculturalism, multicultural and cosmopolitanism, cosmopolitan cities in the world. Indigenous peoples in Canada, Indigenous peoples have travelled through and inhabited the Toronto area, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CFRB (AM)
CFRB (1010 AM) is a commercial radio station in Toronto, Ontario, Canada. It is owned by Bell Media and carries a News/Talk radio format. Its studios and offices are in the Entertainment District at 250 Richmond Street West. One of the oldest surviving radio stations active in Toronto, CFRB went on the air on February 19, 1927, as 9RB owned by Edward S. Rogers Sr., with the callsign derived from its parent Rogers Vacuum Tube Company, and the station moved to its current 1010 AM frequency in 1948. Throughout ownership changes for most of the decade and its format remained intact, the station was acquired by Slaight Broadcasting in 1985, before being acquired by Astral Media in 2007 and ultimately sold to Bell Canada, rival company of Rogers Communications, founded by Rogers Sr.'s son, Ted Rogers Jr., in 2013. CFRB is a clear channel station powered at 50,000 watts, the maximum permitted in Canada. While it is a Class A station, it also must protect CBR in Calgary, which s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Broadcast Station Classes
This is a list of broadcast station classes applicable in much of North America under international agreements between the United States, Canada and Mexico. Effective radiated power (ERP) and height above average terrain (HAAT) are listed unless otherwise noted. All radio and television stations within of the US-Canada or US-Mexico border must get approval by both the domestic and foreign agency. These agencies are Industry Canada/ Canadian Radio-television and Telecommunications Commission (CRTC) in Canada, the Federal Communications Commission (FCC) in the US, and the Federal Telecommunications Institute (IFT) in Mexico. AM Station class descriptions All domestic (United States) AM stations are classified as A, B, C, or D. * A (formerly I) — clear-channel stations — 10 kW to 50 kW, 24 hours. **Class A stations are only protected within a radius of the transmitter site. **The old Class I was divided into three: Class I-A, I-B and I-N. NARBA distingu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clear Channel Station
A clear-channel station is a North American AM radio station that has the highest level of protection from interference from other stations, particularly from nighttime skywave signals. This classification exists to ensure the viability of cross-country or cross-continent radio service enforced through a series of treaties and statutory laws. Known as Class A stations since the 1983 adoption of the Regional Agreement for the Medium Frequency Broadcasting Service in Region 2 (Rio Agreement), they are occasionally still referred to by their former classifications of Class I-A (the highest classification), Class I-B (the next highest class), or Class I-N (for stations in Alaska too far away to cause interference to the primary clear-channel stations in the lower 48 states). The term "clear-channel" is used most often in the context of North America and the Caribbean, where the concept originated. Since 1941, these stations have been required to maintain a transmitter power output ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
