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Up Base Station Beam-antenna SWR

Last modified:
05-10-2008
SWR using 5W on TS-2000. 2 September 2001/K.J.

                                                WINDOM ( FD-4* )
80 m

3.500

3.525

3.550

3.575

3.600

3.625

3.650

3.675

3.700

3.725

3.750

3.775

3.800

1.35

1.3

1.3

1.3

1.3

1.3

1.35

1.4

1.4

1.5

1.6

1.65

1.65

1.15

1.1

1.1

1.1

1.1

1.1

1.1

1.1

1.1

1.1

1.15

1.15

1.2

40 m

7.00

7.05

7.10

Frequency in MHz

1.45

1.4

1.4

SWR - using SX-2000 SWR-meter and 1m RG58U cable to transmitter

1.1

1.1

1.1

SWR - using the internal SWR meter in the Kenwood TS-2000x.

20 m

14.00

14.05

14.10

14.15

14.20

14.25

14.30

14.35

2.3

2.2

2.0

1.9

1.8

1.75

1.65

1.5

2.0

1.8

1.7

1.5

1.4

1.3

1.2

1.15

17 m    

18.068

18.168

1.5

1.5

1.4

1.4

12 m

24.89

24.99

1.8

1.6

1.6

1.4

10 m

28.0

28.2

28.4

28.6

28.8

29.0

29.2

29.4

29.6

29.7

2.4

2.3

2.2

1.9

1.8

1.7

1.7

1.75

1.9

2.0

2.5

2.1

1.8

1.5

1.45

1.35

1.4

1.5

1.7

1.8

6 m

50.0

50.2

50.4

50.6

50.8

51.0

51.2

51.4

51.6

51.8

52.0

1.75

1.8

1.8

1.7

1.6

1.5

1.3

1.2

1.1

1.1

1.15

1.7

1.7

1.7

1.5

1.2

1.1

1.1

1.1

1.1

1.1

1.1

* Feed point 12m and ends 10m over ground..   Coax 1m under ground in iron tube.

Special filter on coax-feeder:       6 ferrites on vertical coax at glass fibre mast bottom.
3vdg coax on large ferrite 1m under ground. 5 ferrites in iron tube 1m under ground to station.
The iron tube is connected to 4 iron ground rods 2 inch wide and 3 m under ground.

 

            Mini-Beam ( 2.el. Hybrid Quard MQ-1 from TGM Communications)
20 m

14.00

14.05

14.10

4.15

14.2

14.25

14.3

14.35

8

6

2.3

1.65

2.3

1.8

1.5

2.5

*****

***

2.0

1.4

2.1

1.4

1.3

3.0

15 m

21.0

21.05

21.1

21.15

21.2

21.25

21.3

21.35

21.4

21.45

7

6

4.5

3.5

2.5

1.7

1.7

2.7

3.8

4.5

*****

***

4.5

3.5

2.2

1.4

1.7

3.0

4.0

***

10 m

28.0

28.2

28.4

28.6

28.8

29.0

29.2

29.4

29.6

29.7

3.1

1.45

1.05

1.55

2.3

3.3

4.2

5.5

****

*****

3.2

1.3

1.1

1.1

1.7

3.0

4.1

5.5

****

*****

6 m

50.0

50.2

50.4

50.6

50.8

51.0

51.2

51.4

51.6

51.8

52.0

3.2

3.2

3.2

3.2

3.3

3.3

3.5

3.6

3.7

3.9

4.0

3.5

3.4

3.4

3.4

3.5

3.5

3.7

3.8

3.9

3.8

3.7