| Details | 2-El.-4m-Yagi | 3-El.-4m-Yagi | 4-El.-4m-Yagi (12.5+50 Ohm) |
| 5-El.-4m-Yagi (28+50 Ohm) | 6-El.-4m-Yagi | 7-El.-4m-Yagi (28+50 Ohm) | 9-El.-4m-Yagi |
5-El.-50-Ohm-70MHz-Yagis, DK7ZB
Another 28-Ohm-Yagi see down
The Yagi as commercial version with a folded dipole by KONNI www.konni-antennen.de
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Type 1 Boomlength 2,85 m Element diameter 8,10 or 12 mm + 3/8'' Gain 8,3 dBd F/B 28 dB |
The measured SWR and data with a Vector-Analyzer
| Position | Length (8 mm) | Length (3/8'') | Length (10 mm) | Length (12 mm) | ||
| Reflector | 0 mm | 2120 mm | 2120 mm | 2118 mm | 2114 mm | |
| Radiator | 600 mm | 2090 mm | 2080 mm | 2080 mm | 2068 mm | |
| Director 1 | 875 mm | 1990 mm | 1982 mm | 1980 mm | 1968 mm | |
| Director 2 | 1830 mm | 1962 mm | 1954 mm | 1952 mm | 1942 mm | |
| Director 3 | 2835 mm | 1914 mm | 1908 mm | 1904 mm | 1894 mm |
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Type 2 Boomlength 3,05 m Element diameter 8,10 or 12 mm Gain 8,5 dBd F/B 24,5 dB |
Element-Lengths and Positions for an open Dipole
| Position | Length (8 mm) | Length (10 mm) | Length (12 mm) | |
| Reflector | 0 mm | 2126 mm | 2120 mm | 2120 mm |
| Radiator | 575 mm | 2038 mm | 2030 mm | 2020 mm |
| Director 1 | 860 mm | 1944 mm | 1935 mm | 1934 mm |
| Director 2 | 1950 mm | 1926 mm | 1916 mm | 1907 mm |
| Director 3 | 3045 mm | 1902 mm | 1892 mm | 1883 mm |
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5-El.-28-Ohm-70MHz-Yagi, DK7ZB
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Boomlength 3,2 m Gain 8.64dBd, F/B 25dB
This is a brought-band version with very uncritical design, good pattern and great bandwidth Left: Built by Martin, OZ2SYV |
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The 5-El.-4m-Yagi by Etienne, ZS6Y
Above is a 3-Ele.- 28-Ohm-Yagi for 50MHz |
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Azimuth
Elevation |
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The 5-El.-28-Ohm-Yagi built by Bill, M0BTZ
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| Position | Length (8 mm) | Length (10 mm) | Length (12 mm) | |
| Reflector | 0 mm | 2106 mm | 2102 mm | 2100 mm |
| Radiator | 440 mm | 2046 mm | 2038 mm | 2032 mm |
| Director 1 | 935 mm | 1954 mm | 1944 mm | 1934 mm |
| Director 2 | 2115 mm | 1920 mm | 1910 mm | 1900 mm |
| Director 3 | 3200 mm | 1880 mm | 1870 mm | 1860 mm |
