A Low-Profile Circularly Polarized Conical-Beam Antenna with Wide Overlap Bandwidth

Table 1

Parameters of the proposed antenna shown in Figure 1 (r_a denotes the ratio of major axis to minor axis of ellipse).

Parameter	Value	Parameter	Value	Parameter	Value
	22 mm		15 mm		8.3 mm
	19 mm		13.3 mm		12 deg
	16 mm		1.3		65 mm
	14.1 mm		0.2 mm		3 mm