sweep frequencies
111flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
112ionosphere and magnetosphere — ▪ atmospheric science Introduction regions of Earth s (Earth) atmosphere in which the number of electrically charged particles ions (ion) and electrons (electron) are large enough to affect the propagation of radio waves (electromagnetic… …
113Digital storage oscilloscope — A Tektronix TDS210 digital oscilloscope A digital storage oscilloscope is an oscilloscope which stores and analyses the signal digitally rather than using analogue techniques. It is now the most common type of oscilloscope in use because of the… …
114Magnetic Reference Laboratory — (MRL) is an American company founded in 1972 that makes and sells Calibration Tapes[1] for analog audio magnetic tape reproducers in the Open Reel format. Contents 1 Origins 2 Products 3 Customers …
115McDonnell Douglas CF-18 Hornet — CF 18 Hornet CF 18 over CFB Bagotville Role Multirole fighter …
116Ernst , Richard Robert — (1933–) Swiss chemist Born at Winterthur in Switzerland, Ernst was educated at the Federal Institute of Technology, Zurich, where he obtained his PhD in 1962. He spent the period from 1963 until 1968 working as a research chemist for Varian… …
117Ockham’s world and future — Arthur Gibson PHILOSOPHICAL BIOGRAPHY Ockham was born in about 1285, certainly before 1290, probably in the village of Ockham, Surrey, near London. If his epitaph is accurate, he died on 10 April 1347. Yet Conrad of Megenberg, when writing to… …
