ground communication vhf radio
21History 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.… …
22Distress 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… …
23Signals intelligence operational platforms by nation — This article is a subset article under the main article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with current signals… …
24Clansman — For the book by Thomas Dixon, see The Clansman. Clansman The PRC 320 HF Radio Type Radio Communications System Place of …
25Helitack — refers to helicopter delivered fire resources , [http://www.fpa.nifc.gov/Library/Papers/Docs/WP Helitack Deployment 2005 05 16.pdf Fire Program Analysis Initial Response Module: Helitack Deployment , Fire Program Analysis, National Interagency… …
26Automatic dependent surveillance-broadcast — (ADS B) is a cooperative surveillance technique for air traffic control and related applications. An ADS B out equipped aircraft determines its own position using a global navigation satellite system and periodically broadcasts this position and… …
27BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …
28Список электронных систем в вооруженных силах США —   Это служебный список статей, созданный для координации работ по развитию темы.   Данное предупреждение не ус …
29Channel 1 (North American TV) — In North America, channel 1 is a former broadcast (over the air) television channel. During the experimental era of TV operation Channel 1 moved around the lower VHF spectrum, swapping places with an early allocation for the FM broadcast band.… …
30Communications satellite — A communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya… …
