| 4-El-12,5-Ohm (2,90 m) | ||
| 5-El-12,5-Ohm (6,00 m) | ||
| 7-El.-28+50Ohm (9,20+7,75 m) | 8-El.-28-Ohm (12,30 m) | 9-El.-28-Ohm (14,00 m) |
| 4-El-28+50-Ohm (2,20 m) | 5-El-50-Ohm (4,30 m) new | 6-El-50-Ohm (6m+7,20 m) new |
8-Element-28-Ohm-Yagi with 12.3m-Boom
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Short data: Gain 11.91 dBd, F/B >24dB, bandwidth >1MHz (!) at SWR < 1.5 Good pattern, great bandwidth and high gain!
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The Yagi built by Steve, HA0DU |
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|
Element |
Element-position (mm) |
Element-length (12mm) |
|
Ref |
0 |
2930 |
|
Rad |
1155 |
2870 |
|
D1 |
1935 |
2780 |
|
D2 |
3505 |
2690 |
|
D3 |
5530 |
2640 |
| D4 | 7900 | 2620 |
| D5 | 10270 | 2610 |
| D6 | 12260 | 2600 |
Match with 2xLambda/4 75-Ohm-coax in parallel to a grounded socket, feedpoint impedance 50Ohm.
The element current profile on the main menue of YO7 from K6STI:
