| 4-El-10m | |||
| 4-El.-15m | |||
3-El.-20m |
4-El.-20m |
3-Element-20m-Yagi with 28Ohm
Boom 5,40m
Short data for the Yagi at the begin, in the middle part and at the end of the band
Plot with the NEC-II-reference of YO7.2 by K6STI
The meaning of the data :
Frequency, gain, F/R, radiation resistance (impedance), SWR and loss against a theoretical defined maximum- gain-Yagi with the given boomlength. Remember that this gain is only available with very low impedance and extrem low bandwidth!
Elements of the 20m-28Ohm-Yagi, lengths for one
element-half:
|
|
30X2mm |
25x2,00mm |
20x1,5mm |
16x1,5mm |
Position |
|
Ref |
1,00m |
1,50m |
1,50m |
1,555m |
0m |
|
Rad |
1,00m |
1,50m |
1,50m |
1,235m |
2,50m |
|
Dir |
1,00m |
1,50m |
1,50m |
0,905m |
5,40m |
Azimuth-diagram (horizontal pattern):
Elevation-diagram (vertical pattern):
