| 4-El-10m | |||
| 4-El.-15m | |||
| 4-El.-20m |
4-Element-20-m-Yagi with 28 Ohm
Boom 7,60m Gain 6,3 dBd
Updated data for better F/B and greater bandwidth 03/2013
The Yagi built by Syed, AP2AM (above a 3-El.-28-Ohm-Yagi for 15 m)
Elements of the 4-El.-20m-28-Ohm-Yagi, lengths for one
element-half:
|
|
30x2 mm |
25x2 mm |
20x1,5 mm |
16x1
mm |
Length |
Position |
|
Ref |
- |
1000
m |
2000 mm |
2375
mm |
5375 mm | 0 mm |
|
Rad |
500 mm | 2000
mm |
2000 mm |
760
mm |
5260 mm | 1830 mm |
|
Dir |
- |
1000
mm |
2000 mm |
2060
mm |
5050 mm | 3410 mm |
Dir |
- |
1000
mm |
2000 mm |
1735
mm |
4735 mm | 7685 mm |
