| 4-El-12,5-Ohm (2,90m) | ||
| 5-El-12,5-Ohm (6,00m) |
5-El-18-Ohm (6,00m) |
|
| 7-El.-28-Ohm (9,20mm) | 8-El.-28-Ohm (12,30m) | 9-El.-28-Ohm (14,00m) |
| new 4-El-28-Ohm (2,20m) |
5-Element-18-Ohm-Yagi with 6m-Boom
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Short data: Gain 9.3dBd, very good F/R >33dB, bandwidth 700KHz (49.8-50.5 MHz) at SWR < 1.5
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This Yagi has slightly less gain than the 12,5-Ohm-Yagi, but is not so critical and the pattern is excellent. You can mount the antenna 1,50m above a roof or 2m above other Yagis for shortwave. The Photo shows the Yagi built by Manfred, DL8FBC. On the top is a 7-Ele-DK7ZB-Yagi for the 2m-band. |
|
Element |
Element-position (mm) |
Element-length (mm) |
|
R |
0 |
2995 |
|
DE |
995 |
2865 |
|
D1 |
2190 |
2725 |
|
D2 |
4340 |
2715 |
|
D3 |
5970 |
2625 |
Match with 2xLambda/4 60-Ohm-coax in parallel to a grounded socket, feedpoint impedance 50Ohm. You can built up a Gamma-Match, if you don't have 60-Ohm-coax!


