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A transponder (short for trans mitter-res ponder [1] and sometimes abbreviated to XPDR, [2] XPNDR, [3] TPDR [4] or TP [5]) is an electronic device that produces a response when it receives a radio-frequency interrogation. Aircraft have transponders to assist in identifying them on air traffic control radar. Collision avoidance systems have been ...
Identification, friend or foe ( IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]
0041–0057. Belgium. Assigned for VFR traffic under Flight Information Services (BXL FIC). [citation needed] 0100. Australia. Flights operating at aerodromes (in lieu of codes 1200, 2000 or 3000 when assigned by ATC or noted in the Enroute Supplement). [6] 0100–0400.
Aircraft position tracks over southern Spain as determined by TLS PAR Format: All aircraft positions within the display field of view are depicted PAR format: Single aircraft may be selected for each of the operator consoles to provide talk-down guidance Transportable TLS (TTLS) owned by the Spanish Air Force deployed at an undisclosed location in 2010 US Air Force Transportable TLS (TTLS ...
European allies in NATO are stepping up their military spending, just as Donald Trump wanted. In words, deeds and arms deals, leaders of the United States’ partners in NATO are making the case ...
Traffic information service – broadcast. Traffic information service – broadcast ( TIS–B) is an aviation information service that allows pilots to see aircraft that are not emitting ADS-B data but have a basic transponder . As aircraft are discovered by primary radar and respond with encoded altitude information, this information is ...
July 10, 2024 at 11:22 AM. ASHTABULA, Ohio (AP) — The Coast Guard came to the rescue of five people who were clinging to a cooler in Lake Erie after their boat was swamped by a wave far off the ...
By David Lawder. WASHINGTON (Reuters) -The U.S. Treasury on Monday announced a major expansion of its security review authority over foreign purchases of real estate near American military bases ...