Dual circularly polarised travelling wave slot antenna array

  title={Dual circularly polarised travelling wave slot antenna array},
  author={Sumantra Chaudhuri and Rakhesh Singh Kshetrimayum and Ramesh Kumar Sonkar and Mohit Mishra},
  journal={Electronics Letters},
A series-fed dual circularly polarised planar slot antenna array is presented. The radiating slots of the antenna are located on the ground plane and are excited by means of a ring-shaped microstrip line comprising of rectangular sections. A metallic reflector lies underneath the feed network separated by an air-layer to augment the gain of the antenna. The parameters of a fabricated prototype are measured for validation. Based on the measured data, the antenna is found to have an impedance… 
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