how far can a 50,000 watt radio station reach

Commercial radio stations typically broadcast at 50,000 or 100,000 watts. Power Legend: U=unlimited time, D=daytime power, N=nighttime power, CH=critical hours power. How far will a 50 watt ham radio transmit? 10 watts will comfortably cover up to 3 or 4 miles with good line-of-sight to the transmitter. How far will a 50 watt FM transmitter reach? #1 I have always heard that for radios without the use of repeaters, the general rule (for FM) is a range of ONE MILE for every HALF WATT (500 mw) of transmitter power. Class A unless otherwise specified. AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. Check out how far we got for 500 watts FM radio transmitter. The fourth column shows the station's antenna pattern: VCY America is excited to add a third radio station in Texas, this time in t Here's a chart that shows the radio spectrum and all the different frequency bands that are available to amateur radio operators: Amateur radio operators can transmit on frequencies as low as 136 . The distances shown are for a reasonable signal on a car stereo and mobile phone with built-in FM reciever. The available bandwidth for each FM station is 150 kHz, which is 15 times greater than that available to an AM station. 428 views View upvotes Related Answer Scott Welch , Cofounder (2010-present) Compare that to a handheld two-way radio which uses between 1/2 - 5 watts. 33 cm is an interesting band to work. Well, a handheld business-type two-way radio usually broadcasts at 1-5 watts. Speaking in general, shortwave radios are able to tune into broadcasts of signals from . The station power affects the range of the signal, or how far it can travel. 1 watt usually gives a coverage area of a few miles, more if a high mast or mast on a tall building or hill is used. Most CB radios can transmit at 4 watts of power, and more than this can interfere with other nearby electrical devices. You can see there is a big difference. 50-watt ham radio transmission range: In most cases, about 100 miles at night and between 25-45 miles during the day. How far can a 50000 watt radio station reach? Other than that, FM signals from 6 meters through (rarely) 70 cm are subject to the ducting effect during the hot, dry summer months in the US. One example is comparing New York City radio stations WQEW and WABC. If 100 Watt ERP is used, it's very likely that 20 kilometer of range will be reached because 100 Watt ERP is able to propagate a strong signal 20 kilometer. 1 WATT. However, the actual range you can get from your Ham radio in the real world can vary substantially from this estimate. Any obstructions will reduce that. If you like more details on this, message us at info@aareff.com or WS +1 829 698 0733 The four graphs below are based on average customer reports in some directions, but not all directions. Footnotes: Footnote 1: The wavelengths of AM radio signals vary from a maximum of 555 meters (1821 feet) at 540 kilohertz (kHz), the lowest AM carrier frequency used in the United States for broadcast stations, to a minimum of 176 meters (579 feet) at 1700 kHz, the highest carrier frequency at the upper end of the AM expanded band. Most masts are lower, and range goes down as square root of antenna height…. The distances shown are for a reasonable signal on a car stereo and mobile phone with built-in FM reciever. You can get Inland Empire stations as far north as CA-58. You can get 50-60 miles with really tall tower - more than 1000 feet. How strong you are when you get there is down to the transmitter power (assuming you are broadcasting on a clear frequency). How far can a 50000 watt radio station reach? For boosting up the radio's range, amplifiers can be used. 50-watt ham radio transmission range: In most cases, about 100 miles at night and between 25-45 miles during the day. In contrast, the wavelengths of FM radio signals are much . But time would soon propel the figure. A typical example is: Our 10 watt fm broadcast transmitter using a high gain antenna like the Aareff 5/8's vertical which has a gain of 4.8 dBi, and using 25 metres of RG213 low loss coax would effectively double the power to 20 Watts EIRP. How far can a Shortwave radio reach. Compare that to a handheld two-way radio which uses between 1/2 - 5 watts. ERP = Transmitter power in Watt x 10^ ( (Gain of the antenna system in dBb - losses of the cable) / 10) Example: Power of the FM Transmitter = 1000 Watt Type of antenna = 4 bay dipole vertical polarization with a gain of 8 dBb Type of cable = low losses 1/2" Length of cable = 30 meters Attenuation of the cable = 0,69dB This list includes AM stations in the United States and Canada that broadcast with a power of 50,000 Watts day and night. HOW FAR CAN AM signals travel? For instance 120km can be achieved with a good transmitter site with 1000 watts of transmitter power fed to antennas at high as 150 feet or more. Range of Handheld Ham Radios. Check out how far we got for 500 watts FM radio transmitter. This is the highest power authorized to any AM station in the United States. Why is this? You've likely heard an FM radio station say they are broadcasting at 50,000 or 100,000 watts. Arguably, the biggest factor that determines how far you can talk on the radio is the frequency you're operating on. It was the first method developed for making audio radio transmissions, and . This explains why music sounds so much better on FM, as an FM station is able to convey 15 times as much information as an AM station does. This is because 50 Watt ERP is ample power to propagate a strong signal 20 miles. The fight between the two news/talk radio stations to attract listeners has been lopsided because KMJ broadcasts at 50,000 watts and KYNO's signal is 5,000 watts during the day and a mere 1,000 . A vehicle mobile radio may broadcast anywhere from 5 to 100 watts. For instance 120km can be achieved with a good transmitter site with 1000 watts of transmitter power fed to antennas at high as 150 feet or more. There are 50K watt AM stations in the U.S. ( sometimes dropping their power at night ) where they can reach over 900 miles. You can get 50-60 miles with really tall tower - more than 1000 feet. Ham radios can generally be grouped into three categories according to how far they can talk over ham radio. Some of these stations are what was once known as the "clear channel" stations; others are not. You can realistically get about 2-18 miles of range with a handheld Ham radio unless you have a particularly powerful base station with a large antenna, in which case your range can be hundreds of miles. Since WQEW is much higher in frequency at 1560 . Does AM radio still exist? One thing I am constantly looking for and can never find is a list of the biggest radio stations in America. Commercial radio stations typically broadcast at 50,000 or 100,000 watts. Ducting is most common in the 2 and 1.25 meter bands, and when it happens, your 100-watt transmissions can reach over 100 miles. The fourth column shows the station's antenna pattern: Most of the original "clear channel" stations are nondirectional 24 hours. The range of one shortwave radio may depend on many factors. The coverage pattern for each FM station is calculated using the effective radiated power (ERP) of the station and the antenna height above average terrain (HAAT). If 50 Watt ERP is used, it's very likely that 20 miles of range will be achieved. The program of the station will be broadcast from the Downers Grove 50,000 watt transmitter of station WENR and the operating plant of WLS . close to 230-240 km away. 20 watts will give a strong signal for over 5-10 miles when operated in a typical . Unlike frequencies below 2MHz, radio waves in these higher frequencies travel in straight lines (called "line-of-sight" signals), and generally cannot travel beyond the horizon. Centainly, tall landscapes will interfer, but is this a good general rule? This is why AM radio stations on the low end of the AM Broadcast band have greater daytime range given the same power level as stations on the higher end of the AM broadcast band. The strongest AM power allowed in the United States is 50,000 watts. How far will a 50 watt FM transmitter reach? Arguably, the biggest factor that determines how far you can talk on the radio is the frequency you're operating on. If a 1000 Watts of power is used, it is very likely that signal will only propagate just over 20 miles. The most powerful 50,000 watt AM radio stations can be heard within a hundred miles or further in the daytime. If there are no buildings, hills, or mountains in the way between the two stations, then it should be feasible to reach this distance with only 1 watt of power. 1 watt will comfortably serve a housing estate and, if decently placed, will reach beyond 1 mile for most radios, though it can sometimes cover exceptionally long distances. Subject to approval of the Federal Radio Commission, the Prairie Farmer station owned and operated by the Agricultural Broadcasting Corporation will transmit with a power increase from 5,000 to 50,000 watts. The first border radio station . The more watts a radio has, the farther it can transmit. If there is a difference in elevation between the two stations, the correct result will be further than 11.2 miles. You can see there is a big difference. AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. ( 7 miles range ) With 25 years of customer reports, a lot of testing on our part, in addition to the science and maths behind this, we have been able to . A vehicle mobile radio may broadcast anywhere from 5 to 100 watts. The following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. Rule of thumb. The HAAT is calculated in all directions based upon the average ground elevation between 1.5 and 10 miles from the station in each direction. Usually, the range is determined by the quality of a shortwave radio, the manufacturer, and of course, the technology that that particular shortwave radio uses. How far do FM radio stations reach? Terrain in between may block signal, open water helps with the range. The coverage pattern for each AM station . You've likely heard an FM radio station say they are broadcasting at 50,000 or 100,000 watts. The two most commonly used frequency ranges for two-way radios are VHF (Very High Frequency 130-174MHz), and UHF (Ultra High Frequency 400-520MHz). Elevation is a little higher there than here, which helps, but still, that's double the range. 100,000. FM is line of sight, so it depends on antenna placement. In some instances, you can reach up to 300 miles by utilizing a clear path with no obstructions in your line of sight. This power output is measured in watts. FM is line of sight, so it depends on antenna placement. I can receive Regina, Saskatchewan's 100,000-watt FM stations just a few km south of Saskatoon, Saskatchewan, i.e. Using a mobile-base station at 20 watts with an antenna inside my attic I have communicated via a high repeater station in Boulder, Colorado, over 60 miles straight line distance. But by taking advantage of SSB radios, the range can be improved significantly. So I took the time to compile this list for my readers, fans, and followers: Biggest Radio Stations in the USA. It was the first method developed for making audio radio transmissions, and . Ham radios can generally be grouped into three categories according to how far they can talk over ham radio. Southern CA: most LA stations reach the Inland Empire, but most Inland Empire stations don't quite reach Los Angeles. Charles Smyrna, TN rfradioconsult Member Joined Dec 26, 2004 Messages 1,217 Location Tulsa Jan 13, 2010 #2 How far can an FM signal go? Why is this? Well, a handheld business-type two-way radio usually broadcasts at 1-5 watts. If you live where nearby states have a medium population density there should be at least couple within 400 miles you can sometimes hear. VHF radio waves usually do not travel far beyond the visual horizon, so reception distances for FM stations are typically limited to 30-40 miles (50-60 km). The more watts a radio has, the farther it can transmit. In some instances, you can reach up to 300 miles by utilizing a clear path with no obstructions in your line of sight. This power output is measured in watts. 50,000 Watts Out of Mexico. 20 WATTS. The most powerful 50,000 watt AM radio stations can be heard within a hundred miles or further in the daytime. If 1000 Watts of ERP power is used, it is very provably the signal will reach 20 kilometer, but moreover it will helps to penetrate eventual obstacles. Hertz is a measurement of the number of wave cycles per second - AM is expressed in kiloHertz, while FM radio is expressed in megaHertz. Does AM radio still exist? Basically they show the maximum ranges really ever recorded for our 10kW, 25kW, 50kW and 100kW EIRP systems. Unlicensed radios such as: FRS radios are limited to 1/2 watt, MURS 2 watts, CB radios 4 watts, SSB radios can have 12 watts. But unfortunately, it might not be legal in every country. With a base station transmitting 100 watts I have hit a repeater just over 100 miles away, again on a high mountaintop. Known as "border blasters," Mexican radio transmitters were utilized by broadcasters who were denied a license to broadcast in the U.S. Unlicensed radios such as: FRS radios are limited to 1/2 watt, MURS 2 watts, CB radios 4 watts, SSB radios can have 12 watts. Here's a chart that shows the radio spectrum and all the different frequency bands that are available to amateur radio operators: Amateur radio operators can transmit on frequencies as low as 136 . The terrain is pretty flat. KLUU-FM 103.5 MHz Wahiawa, Hawaii "Air 1" WYFS-FM 89.5 MHz Savannah, Georgia "Bible Broadcasting Network" KXBG-FM 97 . This effect is greater as radio waves get longer. Spokane, WA: they fade out before Ritzville on the west, and well before Pullman on the south, 4th of July Pass on the east, and well south of Sandpoint on the north. Range of Handheld Ham Radios. How far can an FM signal go? Broadcast at 50,000 or 100,000 watts is ample power to propagate a strong signal for over miles! Stations ; others are not compare that to a handheld business-type two-way radio usually broadcasts at 1-5 watts calculated. 20 miles of range will be achieved with my Ham radio in the daytime some of these stations are was! 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