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...

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

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

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...

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

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...

alignment with its communication station. Isotropic antennas, which don't actually exist, should not be confused with omnidirectional antennas, which are real...

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

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

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...

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

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...

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...

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

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

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...

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,...

sites known as Y-Stations. Each station had 5 radio operation systems. Each consisted of an omnidirectional transmitter an omnidirectional receiver and a...

error, notably due to: The display and use of the VHF Omnidirectional Range License of Aircraft Station of Lyon-Satolas instead of Vienne. A lack of mental...

Force Base during World War II. Non-directional beacon – WL315.0 VHF omnidirectional range – WKV116.9 Tower – 124.1 On 30 April 2013 a flight full of Indian...

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

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

weather station (AWOS) 124.9 MHz Non-directional beacon (NDB)s: YELLEK (ZYB), 404 kHz, 3.8 NM (7.0 km; 4.4 mi) 77° to airport VHF omnidirectional range (VOR)/Distance...

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...