Broadband Circular Polarization Antenna Based on Inverted Suspended Circular Patch with Square SlotHamizan Abu Bakar, Mohamad Zoinol Abidin Bin Abd Aziz, Badrul Hisham Ahmad and Nornikman HassanMATEC Web Conf., 140 (2017) 01029DOI: https://doi.org/10.1051/matecconf/201714001029