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Group of 8x23-Element-Yagis stacked at HA5KDQ
QTH in JN97LN, 500m high Tnx photos to Simon, HA5IW
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| Construction | 12-Ele.-28-Ohm | 13-Ele.-28-Ohm | 14-Ele-28-Ohm | 16-Ele.-28-Ohm |
| 17-Ele.-28-Ohm | 19-Ele.-28-Ohm | 21-Ele.-28-Ohm | 23-Ele.-28-Ohm | 27-Ele.-28-Ohm |
23-Element-28Ohm- DK7ZB-Yagi for 432MHz
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Group of 8x23-Element-Yagis stacked at HA5KDQ
QTH in JN97LN, 500m high Tnx photos to Simon, HA5IW
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The Yagi built by Sandro, DD3SP |
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The 23-El.-Yagi is assembled by Graeme, VK3GOM and crew. He reports from good performance and F/B and pattern similiar to the plotted pictures. SWR <= 1.2 between 432 and 433 MHz |
4x23-Element Best stacking distances 2,05m vertical, 2,10m horizontal Contest-Team OL6R Photo: Jarek, OK2BJL Gain 23dBd without stacking losses Beamwidth: For 3dB 8,8° hor , 8,8°ver |
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Measured SWR of a single 23-Element-Yagi Kontest-Team OL6R |
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4x23-El.-Yagi at Clubstation SP3YDE (Tnx Foto to Dariusz, SP3TLJ)
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The EME-Group of Mario, EB5HRZ
4x12.-El.-144 MHz 4x7-El.-144 MHz 4x23-El.-432 MHz
A very good solution ist the mounting of 4x7-El.-Yagi vertical in front of the stacking harness. So Mario needs no glassfibre for the boom and has an x-pol antenna! |
|
Element |
El.-Position |
El.-Length (10mm) |
El.-Length (8mm) |
El.-Length (6mm) |
|
Ref |
0mm |
340mm |
340mm | 340mm |
|
Rad |
115mm |
332mm (12mm) |
326mm (12mm) | |
|
D1 |
185mm |
306mm |
310mm | 313mm |
|
D2 |
355mm |
295mm |
299mm | 300mm |
|
D3 |
585mm |
286mm |
290mm | 291mm |
|
D4 |
855mm |
280mm |
284mm | 285mm |
|
D5 |
1135mm |
276mm |
281mm | 281mm |
|
D6 |
1430mm |
273mm |
278mm | 279mm |
|
D7 |
1725mm |
272mm |
277mm | 278mm |
|
D8 |
2025mm |
269mm |
274mm | 275mm |
|
D9 |
2325mm |
268mm |
273mm | 274mm |
|
D10 |
2625mm |
267mm |
272mm | 273mm |
|
D11 |
2930mm |
266mm |
271mm | 272mm |
|
D12 |
3235mm |
264mm |
269mm | 270mm |
|
D13 |
3540mm |
264mm |
269mm | 270mm |
|
D14 |
3845mm |
262mm |
267mm | 269mm |
|
D15 |
4150mm |
262mm |
267mm | 269mm |
|
D16 |
4445mm |
262mm |
267mm | 269mm |
|
D17 |
4730mm |
263mm |
268mm | 269mm |
|
D18 |
4995mm |
263mm |
268mm | 269mm |
|
D19 |
5220mm |
262mm |
267mm | 269mm |
| D20 | 5470mm | 265mm | 270mm | 271mm |
| D21 | 5670mm | 262mm | 267mm | 268mm |
