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Ground Plane Antenna for 40, 20, 15 and 10-
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ANTENTOP- 01- 2012, # 016

Ground Plane Antenna for 40, 20, 15 and 10- meter Bands

 

 

Table 1 Data for the ATU for Coaxial Cables 88-, 50- and 75- Ohm

 

 

Coaxial 88- Ohm

 

 

Coaxial 75- Ohm

 

Coaxial 50- Ohm

 

L1, micro- Henry

 

 

0.825

 

0.8

 

0.7

 

L2, micro- Henry

 

 

6.6

 

7.0

 

6.3

 

C1, pF

 

 

64

 

68

 

83

 

Length of the closed Stub, meter

 

 

10.7

 

11.4

 

11.4

 

 

 

 

 

SWR

 

10-meter

 

 

1.1

 

1.12

 

4.0

 

15-meter

 

 

1.0

 

1.0

 

1.0

 

20- meter

 

 

2.2

 

2.22

 

1.7

 

40- meter

 

 

3.6

 

2.8

 

1.05

 

 

 

Photo from WW II. Belorussian partisans listen to Radio Moscow

 

 

 

 

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Last Updated:

January 19, 2020 14:12

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