The effects subrefractive layers and elevated ducts on airborne radar and ESM.
Grau, Douglas D.
Shaw, William J.
Hoivik, Thomas H.
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This report is an investigation of the effects of anomalous propagation of radar waves, caused by subrefractive layers and elevated ducts, on aircraft radar performance and possible tactics. A test and evaluation of radar coverage for various environmental scenarios is conducted using the Integrated Refractive Effects Prediction System (IREPS) model. From the results of each scenario, a decision matrix is created and applied as an analysis tool for determining satisfactory flight profiles for a given mission- The findings are discussed from both a radiating and a non-radiating aircraft perspective. Environmental data collected from the Mediterranean Sea and Northern Arabian Sea were analyzed and used to determine the test scenarios.
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