Abstract: Due to the small Size of Cubesats and their limited surface area, solar cells are placed underneath the microstrip antenna for surface area optimization. However, microstrip patch antenna suffers opacity and would block the solar cells from the visible spectrum. Therefore a transparent antenna design is needed. In this paper, a Circularly Polarized (CP) transparent Global Positioning System (GPS) microstrip antenna is proposed and designed. The required antenna specifications are: Operating frequency, fr = 1.575 GHz, Bandwidth, BW ≥ 2.9%, Antenna Gain, G ≥ 5dBi, Antenna efficiency, eo ≥85%, Percentage of Transparency, PT ≥ 50% and Circularly polarized.
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