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Satellite Radio Frequencies - 136-138 MHz band. The frequency band between 136 and 138 MHz was, at one time, reserved for use in space research. Many early satellites had transmission frequencies in this band, and the frequencies above 137 MHz are still used occasionally by new satellites.

The Ultra High frequency (UHF) 450 to 470 MHz band is a licensed frequency range ideally suited to the demands of advanced water metering, as well as smart metering applications for the energy grid.

The frequency band between 30 and 300 MHz. Portions of this band, 108 to 118 MHz, are used for certain NAVAIDs; 118 to 136 MHz are used for civil air/ground voice communications. Other frequencies in this band are used for purposes not related to air traffic control.

Background. The 900 MHz band (896-901/935-940 MHz) encompasses 10 MHz of spectrum that is used by many utilities, refiners, railroads and other critical infrastructure operators in the United States, primarily for two-way voice communications.

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter.

One thousand hertz is referred to as a kilohertz (kHz), 1 million hertz as a megahertz (MHz), and 1 billion hertz as a gigahertz (GHz). The range of the radio spectrum is considered to be 3 kilohertz up to 3,000 gigahertz. A radio wave is generated by a transmitter and then detected by a receiver.

VHF (Very High Frequency) frequency band VHF radio signals are those on frequencies from 30MHz - 300MHz. UK Business VHF Radios use frequencies from 136 - 174MHz. "Marine band" VHF radios used on ships and to communicate between vessels and harbours, bridges, locks etc, use frequencies between 156 - 162MHz.

Band III is the name of the range of radio frequencies within the very high frequency (VHF) part of the electromagnetic spectrum from 174 to 240 megahertz (MHz). It is primarily used for radio and television broadcasting.

For example:20m band = 300 / 20 = 15.000 MHz, whereas the book suggests the frequency band falls between 14.000 - 14.350 MHz.2m band = 300 / 2 = 150.000 MHz, whereas the book suggests the frequency band falls between 144.000 - 148.000 MHz.More items...?

ITU definition The International Telecommunication Union defines frequency allocation as being of "a given frequency band for the purpose of its use by one or more terrestrial or space radiocommunication services or the radio astronomy service under specified conditions".