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| Keywords: EP-3A EMPASS VX-1 NAN5-6-83.jpg 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 U S Navy Naval Aviation News May/June 1983 http //www history navy mil/nan/backissues/1980s/1983/mj83 pdf 1983 USN PD-USGov-Military-Navy EP-3 Orion Air Test and Evaluation Squadron 1 United States Navy | ||||
