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The first EF-10B lost in Vietnam was to an SA-2 on 18 March 1966, while four more EF-10Bs were lost in Vietnam to accidents and unknown causes. [47] Their mission was gradually assumed by the more capable EA-6A "Electric Intruder", an Electronic Warfare/Electronic Countermeasures (EW/ECM) variant of the Grumman A-6 Intruder attack bomber. [ 48 ]
The AN/FRD-10 is a United States Navy circularly disposed antenna array (CDAA), built at a number of locations during the Cold War for high frequency radio direction finding and signals intelligence. In the Joint Electronics Type Designation System , FRD stands for fixed ground, radio, direction finding. 14 sites were originally constructed as ...
Goliath used three umbrella antennas, which were arranged radially around three 210 metre tall guyed steel tube masts and were insulated against the ground. At their edges, these antennas were mounted on grounded 170 metre tall guyed lattice steel masts. Three of these masts carried two umbrella antennas to comprise 15 lattice steel masts. [6]
A beam waveguide antenna is a type of complicated Cassegrain antenna with a long radio wave path to allow the feed electronics to be located at ground level. It is used in very large steerable radio telescopes and satellite ground antennas, where the feed electronics are too complicated and bulky, or requires too much maintenance and alterations, to locate on the dish; for example those using ...
It is a 30 nmi (56 km) asr coverage and 20 nmi (37 km) PAR coverage. The system can operate in three different modes to include ASR, PAR and Combined mode. In ASR the azimuth antenna spins at 60 RPMs and used only to process targets typical to any ASR and also utilizes the AN/TPX-56 to process IFF targets.
The TLS facility interrogates the transponders of all aircraft within 100 nautical miles (190 km). After receiving a response, TLS determines the aircraft's location using three sets of antenna arrays: one for horizontal position using monopulse techniques, the other for vertical monopulse [1] and a third for trilateration.