parasitic reflector
1Start Point transmitting station — The Start Point transmitting station is a broadcasting facility at Start Point, Devon, owned by National Grid Wireless. The site is just north west of the Start Point lighthouse.The station currently transmits a single broadcast: BBC Radio 5 Live …
2Antenna (radio) — Whip antenna on car …
3Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
4Yagi antenna — A Yagi Uda Antenna, commonly known simply as a Yagi antenna or Yagi, is a directional antenna system [ [http://what is what.com/what is/Yagi Uda antenna.html What is a Yagi Uda antenna? An explanation of the familiar Yagi Uda antenna from a non… …
5coleopteran — /koh lee op teuhr euhn, kol ee /, adj. 1. belonging or pertaining to the order Coleoptera. n. 2. a beetle. [1840 50; COLEOPTER(A) + AN] * * * ▪ insect Introduction any member of the insect order Coleoptera, consisting of the beetles and weevils …
6Passive radiator — A passive radiator or parasitic element is a radio antenna element which does not have any wired input. Instead, it absorbs radio waves radiated from another active antenna element in proximity, and re radiates it in phase with the active element …
7Mount Cayley volcanic field — Coordinates: 50°07′13″N 123°17′26″W / 50.12028°N 123.29056°W / 50.12028; 123.29056 …
8Mount Cayley — The Mount Cayley volcanic complex in August 13, 2005. Summits left to right are Pyroclastic Peak and Mount Cayley. Elevation 2,377 m (7,799 ft) …
9Quad antenna — patent US2537191 A quad antenna. The quad antenna is an …
10History 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.… …
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