Search results
Results from the WOW.Com Content Network
FREQUENCY : BAND: FREQUENCY (MHz) A: 0 – 250 I: 100 – 150 Band I 47 – 68 MHz (TV) Band II 87.5 – 108 MHz (FM) G: 150 – 225 Band III 174 – 230 MHz (TV) B: 250 – 500 P: 225 – 390 C: 500 – 1 000 L: 390 – 1 550 Band IV 470 – 582 MHz (TV) Band V 582 – 862 MHz (TV) D: 1 000 – 2 000 S: 1 550 – 3 900 E: 2 000 – 3 000 F: 3 ...
This is the navigation box for the International Amateur Radio Bands. All bands in this template are either mentioned in the International Telecommunication Union 's "Table of Frequency Allocations" or the table's footnotes, with the exception of allocations listed in italics .
It can be transcluded on pages by placing {{Two-way radio}} below the standard article appendices. Initial visibility This template's initial visibility currently defaults to autocollapse , meaning that if there is another collapsible item on the page (a navbox, sidebar , or table with the collapsible attribute ), it is hidden apart from its ...
International amateur satellite frequency allocations Range Band Letter [a] Allocation [11] Preferred sub-bands [b] User status [11] Notes [11] HF: 40 m: 7.000 – 7.100 MHz: Primary 20 m: 14.000 – 14.250 MHz: Primary 17 m: 18.068 – 18.168 MHz: Primary Entire amateur radio band 15 m: H 21.000 – 21.450 MHz: Primary Entire amateur radio ...
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". [2] Frequency allocation is also a special term, used in national frequency ...
Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz).Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication.
87.5–108 MHz: Band II Radio; 118–137 MHz: Airband for air traffic control, AM. 108–117.975 MHz: Air navigation beacons VOR and ILS; 121.5 MHz is an emergency frequency; 144–148 MHz: Amateur radio 2-meter band; 156–162.2 MHz: Marine radio; 174–230 MHz: Band III Television (channels 4–11)