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Title: Design and measurements of dual-polarized wideband constant-beamwidth quadruple-ridged flared horn
Authors: Akgiray, Ahmed
Weinreb, Sander
Imbriale, William
Keywords: wideband horn
constant beamwidth horn
decade bandwidth
quad-ridge horn
profiled hornrn
Issue Date: 7-Jul-2011
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2011.
Citation: 2011 IEEE International Symposium on Antennas and Propagation, Spokane, Washington, July 3-8, 2011
Abstract: A quad-ridged, flared horn achieving nearly constant beamwidth and excellent return loss over a 6:1 frequency bandwidth is presented. Radiation pattern measurements show excellent beamwidth stability from 2 to 12 GHz. Measured return loss is > 10 dB over the entire band and > 15 dB from 2.5 to 11 GHz. Using a custom physical optics code, system performance of a radio telescope is computed and predicted performance is average 70% aperture efficiency and 10 Kelvin of antenna noise temperature.
Appears in Collections:JPL TRS 1992+

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