elevated antenna
21radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …
22Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
23Iowa class battleship — The Iowa class battleships were a class of six fast battleships ordered by the United States Navy in 1939 and 1940 to escort the Fast Carrier Task Forces that would operate in the Pacific Theater of World War II. Four were completed in the early… …
24BRDM-2 — Infobox Weapon name=BRDM 2 caption=Iraqi BRDM at the U.S. National Infantry Museum, Fort Benning origin=Soviet Union type=Amphibious Armoured Scout Car is vehicle=yes service=1962 present used by=See Operators wars=See Service History designer=V …
25Viking program — NASA s Viking program consisted of a pair of space probes sent to Mars, Viking 1 and Viking 2. Each vehicle was composed of two main parts, an orbiter designed to photograph the surface of Mars from orbit, and a lander designed to study the… …
26DAMP Project — The Downrange Anti missile Measurement Program or DAMP was an applied research project to obtain scientific data, just prior to and during re entry, on intermediate and intercontinental range ballistic missiles as they returned to earth. The… …
27Glaucoma — Classification and external resources Acute angle closure glaucoma of the right eye. Note the mid sized pupil, which was nonreactive to light, and injection of the conjunctiva. ICD 10 …
28Composite material — A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials, often shortened to composites or called composition materials, are engineered or naturally occurring materials made from two or more constituent …
29Emley Moor transmitting station — Infobox UK Transmitter name = Emley Moor Clear skies over Emley Moor Tower height = convert|330.4|m|ft|0 gridref=SE222128 built = 1969 1971 demolished = collapsed = BBC = BBC Yorkshire ITV = ITV YorkshireLocation map|West Yorkshire label = lat =… …
30PT-76 — Infobox Weapon|is vehicle=yes name=PT 76 caption=PT 76 on display near the Museum of the Great Patriotic War, Kiev. type=Amphibious Light Tank origin=flagcountry|Soviet Union service=16 August 1952 present used by=See Operators wars=See Combat… …
