A Wide-Band Circularly Polarized Wide-Gap Antenna Loaded with a Y-Shaped Metal Strip for L-Band Application

Table 1

Surface current (~) at 1.228 GHz.

Current name	Direction	Average relative amplitude value (based on input current)	Average value of phase difference (°) compared to	Electrical length of electric streamline	Slow wave factor of traveling wave current
		1.00	0	0.287	1.42
		0.37	−124.6	0.287	1.03
		0.22	−232.7	0.287	1.19
		0.21	−321.3	0.287	1.31
		0.6	−156.4	0.09	1.77
		0.75	−218.2	0.10	1.03