Very High Frequency Omnidirectional Range Station (VOR) is a type of short-range radio navigation system for aircraft, enabling aircraft with a receiving...

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz),...

instrument flying in the 1930s and 1940s, until the advent of the VHF omnidirectional range (VOR), beginning in the late 1940s. It was used for en route navigation...

difficult airports in Europe". As it passed over Innsbruck VHF omnidirectional range station, the aircraft was still unable to break through the clouds...

in mobile stations are omnidirectional. Few mobile stations are equipped to communicate with Morse code or digital modes. Most mobile stations are designed...

of which is based on a straight line between either two VHF omnidirectional range (VOR) stations, or a VOR and a VOR intersection, hence the beginning letter...

thus giving radio transmissions in this range a potentially global reach. However, at frequencies above 30 MHz (VHF and higher) and in lower levels of the...

resulting from brain injury Omnidirectional bearing selector, an aircraft navigation instrument; See VHF omnidirectional range Obstetrics and gynaecology...

antennas are stacked vertically on a mast to make VHF television broadcast antennas. Omnidirectional radiation pattern with high gain in horizontal directions...

reducing receiving sidelobes in the radar antenna design and by using an omnidirectional antenna to detect and disregard non-mainlobe signals. Other anti-jamming...

approaching the broadcast city. A second factor is that some AM radio stations are omnidirectional during the day, and switch to a reduced power, directional signal...

system can be used with any common AM-band commercial station.[citation needed] VHF omnidirectional range, or VOR, is an implementation of the reverse-RDF...

requirements, but will increasingly use the Digital Selective Calling (DSC) Marine VHF radios. Offshore vessels may elect to equip themselves further. Vessels under...

super-high frequency (SHF) or microwave frequency range. Lower frequency signals fall into the VHF (very high frequency) or lower bands. UHF radio waves...

from a television station. Terrestrial television is broadcast on frequencies from about 47 to 250 MHz in the very high frequency (VHF) band, and 470 to...

directional helical antennas are mounted over a ground plane, while omnidirectional designs may not be. The feed line is connected between the bottom of...

common combination is a DME colocated with a VHF omnidirectional range (VOR) transmitter in a single ground station. When this occurs, the frequencies of the...

5-meter band (60 MHz) is the middle portion of the very high frequency (VHF) radio spectrum allocated to amateur radio use. On October 10, 1924, the...

beacons and other navigational aids, such as low-frequency radio range, VHF omnidirectional range (VOR) and tactical air navigation system (TACAN). NDB signals...

radio navigation, a VOR/DME is a radio beacon that combines a VHF omnidirectional range (VOR) with a distance-measuring equipment (DME). The VOR allows...

modulation Transponder landing system (TLS) Visual flight rules (VFR) VHF omnidirectional range (VOR) Wide Area Augmentation System (WAAS) Wragg, David W. (1973)...

measuring equipment Electronics technician Global Positioning System VHF omnidirectional range Wide Area Augmentation System Rockwell International (July 7,...

surface, equipped with an ILS approach system, VHF omnidirectional radio range (VOR), and DME station. Another runway, 16/34, measuring 1,800 by 30 metres...

are plotted on navigational maps used by aircraft and ships. VHF omnidirectional range (VOR) – a worldwide aircraft radio navigation system consisting...

developed antennas for radio navigation systems, now used for VHF omnidirectional range and instrument landing systems. Alford graduated from the University...

conventional heading indicator. It combines a heading indicator with a VHF omnidirectional range-instrument landing system (VOR-ILS) display. This reduces pilot...

acquires an omnidirectional radiation pattern (in the horizontal plane) as is typically desired. Vertical collinear arrays are used in the VHF and UHF frequency...

medium, and long range detection. LCMR is omnidirectional, but the other two are directional and need cueing from omnidirectional sensors such as the...

five different DME stations simultaneously in order to determine one position every 10 seconds. VORs (VHF omnidirectional radio range) that supply a bearing...

amateur radio operators. Non-directional beacons (NDB) and VHF omnidirectional radio range (VOR) used in air navigation use Morse to transmit their identifier...