(cf loop aerial
21Radio jamming — is the (usually deliberate) transmission of radio signals that disrupt communications by decreasing the signal to noise ratio. Unintentional jamming occurs when an operator transmits on a busy frequency without checking that it is in use first,… …
22automatic direction finder — Equipment to determine the direction from which an electromagnetic signal is being generated. It can either be airborne or ground based equipment. It operates in medium or low frequencies, consists of basically a loop aerial, and gives the null… …
23DF — A radio receiver equipped with a direction sensing antenna used to take bearings on a radio transmitter. A direction finder essentially consists of a loop aerial. To remove 180° ambiguity, a sense aerial is also brought into the circuit. The DF… …
24one-hundred-and-eighty-degree ambiguity — An error in some radio direction finders in which equipment cannot discern whether a signal is being received from ahead of or behind the aircraft. Automatic direction finders do not have this problem. Beacon’s position can be either at A or B.… …
25РАМКА, РАМОЧНАЯ АНТЕННА — (Loop antenna, loop aerial) намотанная на специальный каркас антенна в виде провода; употребляется в качестве приемной, а иногда передающей антенны. Пригодна для направленного приема. Самойлов К. И. Морской словарь. М. Л.: Государственное Военно… …
26radio direction finding — A radio location in which only the direction of a station is determined by means of its emissions. The system consists essentially of a loop aerial superimposed with a selsyn system to remove 180° ambiguity. See radio compass …
27GMD Mueller — aerial lift manufacturing firm.GMD stands for Gerhard Mueller Dietlikon.Founded in 1947 by engineer Gerhard Mueller, who is credited with the invention of the modern detachable chairlift in the late 1940s, it was one of the most prolific and… …
28London Eye — General information Status Complete Type Ferris wheel Location Western end …
29Antenna (radio) — Whip antenna on car …
30B. H. DeLay — Infobox Actor name = B. H. De Lay imagesize = 300px caption = Aviator Actor B. H. De Lay birthdate = birth date|1891|8|12|mf=y location = flagicon|USA San Francisco Bay Area, CA, U.S. height = deathdate = death date and… …
