Secant pattern radiator for X-band data transmission

In this paper, a design scheme for secant pattern radiator is presented. By combining a CP (Circular Polarization) generating adapter and a secant pattern radiator, a secant pattern antenna is designed. A secant pattern antenna is suitable for the data transmission in LEO satellite requiring wide angle coverage of the earth for the longer time visibility. In addition, secant pattern antenna is smaller and lighter compared to the ISOFLUX pattern antenna used in larger satellite. It is shown that the desired electrical performances including radiation pattern mask and return loss are satisfied through properly optimized parameters.