land based transponder

См. также в других словарях:

• Distance measuring equipment — D VOR/DME ground station DME by itself Distance measuring equipment (DME) is a t …   Wikipedia

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

• telecommunications media — Introduction       equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation       Every… …   Universalium

• Automatic Identification System — The Automatic Identification System (AIS) is a system used by ships and Vessel Traffic Services (VTS) principally for identification and locating vessels. AIS provides a means for ships to electronically exchange ship data including:… …   Wikipedia

• Vought F4U Corsair — F4U Corsair An F4U 5NL, previously of the Honduran Air Force, at the Geneseo Airshow, with air intercept radar pod on right wing Role …   Wikipedia

• F4U Corsair — Infobox Aircraft name= F4U Corsair caption= An F4U 5NL, previously of the Honduran Air Force, at the Geneseo Airshow, with air intercept radar pod on right wing type= Carrier capable fighter aircraft national origin = United States manufacturer …   Wikipedia

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• Oboe (navigation) — Oboe was a British aerial blind bombing targeting system in World War II, based on radio transponder technology. Oboe accurately measured the distance to an aircraft, and gave the pilot guidance on whether or not they were flying along a pre… …   Wikipedia

• Distress radiobeacon — PLB redirects here. For other uses, see PLB (disambiguation). Emergency position indicating radio beacons or EPIRBs Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Satellite — This article is about artificial satellites. For natural satellites, also known as moons, see Natural satellite. For other uses, see Satellite (disambiguation). An animation depicting the orbits of GPS satellites in medium Earth orbit …   Wikipedia