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Wide band microstrip phased array for mobile satellite communications

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4 Author(s)
Telikepalli, R. ; CAL Corp., Ottawa, Ont., Canada ; Strickland, P.C. ; McKay, K.R. ; Wight, J.S.

A low profile, dual frequency, microstrip phased array has been designed and developed for INMARSAT (International Maritime Satellite organization) land mobile satellite communications. The purpose of the array was to provide a wide band coverage, right-hand circular polarization with a high gain and minimum sidelobe levels in the principal planes. The developed array has a measured frequency bandwidth of 10% with a VSWR of 1.5, a minimum gain of 12 dBic, a gain to noise temperature ratio of -8.98 dB/K, sidelobe levels 13 dB below the beam peak in both the principal planes. The size of the array was 47 cm in diameter and 1.3 cm thick including a flush mounted light weight radome with the elements and the feed lines on the same layer

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:43 ,  Issue: 7 )