Mills cross antenna
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Mills Cross Telescope — Bernard Mills built the two dimensional Mills Cross Telescope in 1954 at the Fleurs field station of the Australian Commonwealth Scientific and Industrial Research Organisation in the area known now as Badgerys Creek, about 40km west of Sydney,… … Wikipedia
Mills cross — a type of radio telescope consisting of two arrays of antennas perpendicular to each other. [1960 65; after Bernard Y. Mills (born 1920), Australian astronomer] * * * ▪ radio telescope type of radio telescope based on the interferometer,… … Universalium
Parkes Observatory — The Parkes Observatory in New South Wales, Australia … Wikipedia
History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… … Wikipedia
Square Kilometre Array — The Square Kilometre Array (SKA) is a radio telescope in development which will have a total collecting area of approximately one square kilometre. [ [http://www.skatelescope.org/ Square Kilometre Array] website.] It will operate over a wide… … Wikipedia
Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Collocation (remote sensing) — Collocation is a procedure used in remote sensing to match measurements from two or more different instruments. This is done for two main reasons: for validation purposes when comparing measurements of the same variable, and to relate… … Wikipedia
Coimbatore — This article is about the city in Tamil Nadu, India. For its namesake district, see Coimbatore district. Coimbatore (கோயம்புத்தூர்) Manchester of South India city … Wikipedia
CN Tower — This article is about the CN Tower in Toronto. For the tower in Edmonton, see CN Tower (Edmonton). CN Tower CN Tower is the world s 5th tallest free standing structure.[1] … Wikipedia
Harrisburg, Illinois — For other uses, see Harrisburg (disambiguation). Harrisburg City City of Harrisburg … Wikipedia
