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File:EP-3A EMPASS VX-1 NAN5-6-83.jpg

EP-3A_EMPASS_VX-1_NAN5-6-83.jpg ‎(428 × 266 pixels, file size: 28 KB, MIME type: image/jpeg)

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Description Low quality photo of a U.S. Navy Lockheed EP-3A Orion (BuNo 149673) of air test and evaluation squadron VX-1 Pioneers in 1983. This aircraft was used in the "EMPASS" project, the "Electromagnetic Performance of Air and Ship Systems" (EMPASS) Project. The airborne system consisted of radio frequency (RF) receivers and antennas with special relays and interface units which allowed a UNIVAC 1830A computer to interrogate and control them. Aircraft position, RF signal, and system status measurements were recorded digitally on magnetic tape while operator displays were provided for some immediate data analysis and system monitoring. The flight crew were all Navy personnel, while the electronics and computer equipment operators were civilians. A typical mission would carry a crew of ten people. The a/c was capable of mapping three-dimensional antenna patterns of live, operational transmitters. Recordings made during flight were returned to Dahlgren Naval Base (Virginia) for analysis and plotting of antenna patterns.
Date
Source U.S. Navy Naval Aviation News May/June 1983 [1]
Author USN

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Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current17:07, 17 May 2008Thumbnail for version as of 17:07, 17 May 2008428 × 266 (28 KB)Cobatfor (talk | contribs){{Information |Description=Low quality photo of a U.S. Navy Lockheed EP-3A ''Orion'' (BuNo 149673) of air test and evaluation squadron VX-1 ''Pioneers'' in 1983. This aircraft was used in the "EMPASS" project, the "Electromagnetic Performance of Air and S

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