June 1968 | Technical Memorandum ERL TM ITS 129

Performance Measurements of Two HF Operational Antennas at Chesapeake Beach, Maryland

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Jean E. Adams

Abstract:

The radiation patterns and power gains of two HF corner reflector array antennas--a two-element corner-reflector array antenna rotatable in azimuth and operating from 10 to 27 MHz, and a 20-element corner­-reflector array antenna mechanically fixed in azimuth but phase steer­able operating from 13.5 to 27 MHz--were measured by flying trans­mitters aboard a light aircraft around the test antennas, and recording the power received on them. The fixed antenna performed as expected with narrow smooth beams. The rotatable antenna performance was affected by scattering from the irregular terrain, resulting in irregular patterns.

Keywords: antennas

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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