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Table 1 Key parameters of the proposed antenna (unit: mm)

From: A monopole broadband circularly polarized antenna with coupled disc and folded microstrip stub lines

W

L

l1

l2

l3

lf

ln

lq

r

24.5

24

6.9

2

2.2

2.05

7.5

11.25

2

Wf

Wn

Wslot

p

q

m

n

Wstub

g

2.45

1.55

0.1

9.1

11.37

7.2

10.27

0.5

0.2