A Novel Dual-Broadband Circularly Polarized Patch Antenna for Precise Satellite Navigation

Table 2

Comparisons between the simulated and measured results.

	S11 (−10 dB)	Peak RHCP gain	Gain bandwidth (3 dB)
Simulated	1.174 GHz–1.284 GHz; 1.550 GHz–1.634 GHz (without feed network)	4.58 dBi at 1.225 GHz; 3.68 dBi at 1.582 GHz	30 MHz at L1 band; 60 MHz at L2 band
Measured	1.0 GHz–1.8 GHz (with feed network)	4.72 dBi at 1.28 GHz; 3.98 dBi at 1.60 GHz	65 MHz at L1 band; 70 MHz at L2 band