volume | PIER Journals

Abstract

The design approach and development of a right hand circularly polarized wideband microstrip antenna for multi-constellation Global Navigation Satellite System (GNSS) is presented. The antenna is corner truncated square patch, parasitically excited by a dielectric covered straight probe. A thermacol layer of thickness λ/14 at center frequency is used to support the microstrip over the ground plane substrate. The simulated and measured results are presented. The antenna shows wide beam radiation patterns with axial ratio less than ± 1 dB. Its VSWR is better than 2.8:1 and the gain varies from 1.2 dBi to 3.5 dBi over the frequency band. L₅

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Dr. Ashwani Kumar

Dr. Sukh Das Ahirwar

Mr. Chandana Sairam

Professor Achanta Dattatreya Sarma

Dr. Ginkala Venkateswarlu