crossed yagi antenna

crossed yagi antenna: Техника: антенна типа "волновой канал", директорная антенна

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Antenna (radio) — Whip antenna on car … Wikipedia
Cooby Creek Tracking Station — in the late 1960s. Cooby Creek Tracking Station was located 22.5 km north of Toowoomba, Queensland, Australia. This station was built in 1966 to support NASA s Application Technology Satellite Program, and was a part of the Spacecraft Tracking… … 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
Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… … Wikipedia
Maritime mobile amateur radio — An emergency portable boat radio transceiver, Museal ship S/S Sołdek in Gdańsk, Poland Most countries amateur radio licences allow licensed operators to install and use radio transmission equipment while at sea. Such operation is known as… … Wikipedia
Cavity magnetron — Magnetron with section removed (magnet is not shown) … Wikipedia

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