primary antenna array
111sound reception — Introduction response of an organism s aural mechanism, the ear, to a specific form of energy change, or sound waves. Sound waves can be transmitted through gases, liquids, or solids, but the hearing function of each species is particularly …
112Mikoyan MiG-29 — MiG 29 redirects here. For other uses, see MiG 29 (disambiguation). MiG 29 …
113NEXRAD — Radar at the WSR 88D Radar Operations Center NEXRAD or Nexrad (Next Generation Radar) is a network of 159 high resolution Doppler weather radars operated by the National Weather Service, an agency of the National Oceanic and Atmospheric… …
114Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is …
115Computational electromagnetics — Computational electromagnetics, computational electrodynamics or electromagnetic modeling is the process of modeling the interaction of electromagnetic fields with physical objects and the environment. It typically involves using computationally… …
116Mars Global Surveyor — Artist s conception of Mars Global Surveyor Operator NASA Major contractors Orbiter Satellite of …
117Mars Climate Orbiter — Artist s conception of the Mars Climate Orbiter. Operator NASA / JPL …
118Ultra-high-energy cosmic ray — Unsolved problems in physics Why is it that some cosmic rays appear to possess energies that are theoretically too high? In high energy physics, an ultra high energy cosmic ray (UHECR) or extreme energy cosmic ray (EECR) is a cosmic ray with an… …
119Personal computer — This article is about personal computers in general. For computers generally referred to as PCs , see IBM PC compatible. For hardware components dealing with personal computers, see Personal computer hardware. Personal computer An illustration of …
120Chain Home — Radar Coverage 1939 1940 Chain Home was the codename for the ring of coastal Early Warning radar stations built by the British before and during the Second World War. The system otherwise known as AMES Type 1 (Air Ministry Experimental Station)… …
