LEWIS RESEARCH CENTER, 1983. /nTechnician Mike Higgins adjusts a laser measuring device in the Near-Field Antenna Test Facility at Lewis Research Center in Cleveland, Ohio. He is measuring radio frequencies of a communications antenna. The foam cones absorb radio waves and prevent them from being reflected. Photograph, 1983.
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Creative#:
TOP16148687
Source:
達志影像
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RM
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