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The angle between magnetic and grid meridians is called grid magnetic angle, grid variation, or grivation." [ 1] By convention, declination is positive when magnetic north is east of true north, and negative when it is to the west. Isogonic lines are lines on the Earth's surface along which the declination has the same constant value, and lines ...
A television antenna, also called a television aerial (in British English ), is an antenna specifically designed for use with a television receiver (TV) to receive terrestrial over-the-air (OTA) broadcast television signals from a television station. Terrestrial television is broadcast on frequencies from about 47 to 250 MHz in the very high ...
Direction finding antenna near the city of Lucerne, Switzerland. Direction finding ( DF ), or radio direction finding ( RDF ), is the use of radio waves to determine the direction to a radio source. The source may be a cooperating radio transmitter or may be an inadvertant source, a naturally-occurring radio source, or an illicit or enemy system.
Area served City of license VC RF Callsign Network Notes Alpena: 6 24 WCML: PBS: Satellite of WCMU-TV ch. 14 Mount Pleasant. PBS Kids on 6.2, Create on 6.3 : 11 11 WBKB: CBS: Fox/MyNetworkTV on 11.2, ABC on 11.3
Area served City of license VC RF Callsign Network Notes Biloxi: 13 32 WLOX: ABC: CBS on 13.2, Bounce TV on 13.3, True Crime Network on 13.4 : 19 16 WMAH-TV: PBS: satellite of WMPN-TV ch. 29 Jackson
The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points on the map are at proportionally correct distances from the center point, and that all points on the map are at the correct azimuth (direction) from the center point. A useful application for this type of projection is a polar ...
Area served Community of license VC RF Callsign Network Notes Asheville/~Greenville–Spartanburg–Anderson: Asheville: 13 13 WLOS: ABC: MyNet on 13.2 , Antenna TV on 13.3, The Nest on 13.4
Area served City of license VC RF Callsign Network Notes Bellingham: Bellingham: 12 14 KVOS-TV: UNI: Movies! on 12.2, MeTV on 12.3, Catchy Comedy on 12.4, Start TV on 12.5, MeTV+ on 12.6, Story on 12.7, H&I on 12.8, MeTV Toons on 12.9