Quasi-Planar Composite Microstrip Antenna: Symmetrical Flat-Top Radiation With High Gain and Low Cross Polarization. - Umesh Ankush Pawar; Subhradeep Chakraborty; Tanmoy Sarkar; Abhijyoti Ghosh; Lourembam Lolit Kumar Singh; Sudipta Chattopadhyay (IEEE Access, 2019)