What do the numbers on a radio station mean?

The numbers on your radio dial represent frequencies used by your local radio stations. If the FM dial is set at 89, the radio signal you hear is broadcasted at 89 MegaHertz (MHz), or 89,000,000 cycles per second.

What are the radio frequencies?

Radios transmit and receive messages on any of millions of possible frequencies. Radio frequencies are expressed in units of Hertz (cycles per second). The units used are usually KHz (kilohertz) and MHz (megahertz).

What channels are on FM?

List of channel numbers assigned to FM frequencies in North America

Frequency Channel Frequency
89.7 MHz 209 94.9 MHz
89.9 MHz 210 95.1 MHz
90.1 MHz 211 95.3 MHz
90.3 MHz 212 95.5 MHz

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What is the number of FM radio?

The FM broadcast in the United States starts at 88.0 MHz and ends at 108.0 MHz. The band is divided into 100 channels, each 200 kHz (0.2 MHz) wide. The center frequency is located at 1/2 the bandwidth of the FM Channel, or 100 kHz (0.1 MHz) up from the lower end of the channel.

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What is call letters for a radio station?

In broadcasting and radio communications, a call sign (also known as a call name or call letters —and historically as a call signal—or abbreviated as a call ) is a unique designation for a transmitter station.

Which travels farther AM or FM?

In AM broadcasts, sound signals are encoded by changing the amplitude, or maximum height, of radio waves. AM broadcasts use longer wavelength radio waves than FM broadcasts. Because of their longer wavelengths, AM waves reflect off a layer of the upper atmosphere called the ionosphere.

What channel is talkSPORT on radio?

Radio. talkSPORT is available across the United Kingdom via DAB digital radio and on 1089 or 1053 AM.

What channel is capital on radio?

Capital Xtra is available on FM in London on 96.9 and 107.1 MHz and nationally on the Digital One DAB multiplex.

What radio frequency is harmful to humans?

The most restrictive limits on whole-body exposure are in the frequency range of 30-300 MHz where the human body absorbs RF energy most efficiently when the whole body is exposed.

Is talk radio available on FM?

What frequency is talkRADIO on? In a world of multiplatform radio, with DAB, FM, HD Radio and radio online, there are many different ways to tune in, whether you want to listen in the car, on the bus or at home.

What is the lowest FM channel?

To receive a station, an FM receiver is tuned to the center frequency of the station’s channel. The lowest and almost-unused channel, channel 200, extends from 87.8 MHz to 88.0 MHz; thus its center frequency is 87.9 MHz.

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What is difference between AM and FM?

1. In AM, a radio wave is known as the “carrier” or “carrier wave” is modulated in amplitude by the signal that is to be transmitted. In FM, a radio wave is known as the “carrier” or “carrier wave” is modulated in frequency by the signal that is to be transmitted.

What was the first FM radio station?

One of the first FM radio stations, Edwin Armstrong’s experimental station W2XMN in Alpine, New Jersey, USA. The insets show a part of the transmitter, and a map of FM stations in 1940.

Where do radio station numbers come from?

Sooner or later, however, those who listen to these more off-beat signals will stumble across strange broadcasts repeating number groups in digitally synthesized voices. Sometimes they are read live, sometimes in Morse code, and sometimes by means of digital noise transmission. These are the so-called numbers stations.

What is the highest number on the FM dial?

The FM radio band is from 88 to 108 MHz between VHF television Channels 6 and 7. The FM stations are assigned center frequencies at 200 kHz separation starting at 88.1 MHz, for a maximum of 100 stations.

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