Build your own Three Element Yagi:
2 Meter data sheet
Total length of copper tubing required for all elements: 9' 10"
Total length of wood required for boom: 2' 8"
ELEMENT             LENGTH (in.)       SPAC. TO REF. (in.)   ELE. DIA. (in.)
Reflector            41.1875                     0               0.25000
Driven               38.9063               15.4063               0.25000
Director  1          36.5938               30.8126               0.25000

Normalized Radiation Resistance at 146.002 is 74.6 Ohms
144.000       8.70       14.34               22.09+j15.6          2.26
144.091       8.72       14.13               21.94+j16.31         2.19
144.182       8.73       13.93               21.79+j17.02         2.13
144.273       8.75       13.73               21.65+j17.74         2.06
144.364       8.76       13.53               21.5+j18.47          2.00
144.455       8.77       13.33               21.35+j19.2          1.93
144.546       8.79       13.14               21.2+j19.94          1.87
144.637       8.80       12.95               21.05+j20.68         1.81
144.728       8.81       12.76               20.9+j21.42          1.75
144.819       8.83       12.57               20.76+j22.18         1.69
144.910       8.84       12.39               20.61+j22.94         1.63
145.001       8.85       12.21               20.46+j23.7          1.57
145.092       8.86       12.02               20.32+j24.47         1.51
145.183       8.87       11.85               20.17+j25.25         1.45
145.274       8.89       11.67               20.03+j26.03         1.40
145.365       8.90       11.49               19.89+j26.81         1.35
145.456       8.91       11.32               19.75+j27.61         1.29
145.547       8.92       11.15               19.61+j28.4          1.24
145.638       8.93       10.98               19.47+j29.21         1.19
145.729       8.94       10.81               19.34+j30.02         1.14
145.820       8.95       10.64               19.2+j30.83          1.09
145.911       8.95       10.48               19.07+j31.65         1.05
146.002       8.96       10.31               18.94+j32.48         1.00
146.093       8.97       10.15               18.81+j33.31         1.05
146.184       8.97        9.99               18.68+j34.15         1.09
146.275       8.98        9.83               18.56+j34.99         1.14
146.366       8.99        9.67               18.44+j35.84         1.20
146.457       8.99        9.52               18.32+j36.7          1.25
146.548       8.99        9.36               18.21+j37.56         1.31
146.639       9.00        9.21               18.09+j38.43         1.38
146.730       9.00        9.05               17.98+j39.3          1.44
146.821       9.00        8.90               17.88+j40.18         1.51
146.912       9.00        8.75               17.77+j41.06         1.59
147.003       9.00        8.60               17.67+j41.95         1.66
147.094       9.00        8.45               17.58+j42.84         1.75
147.185       8.99        8.31               17.48+j43.74         1.83
147.276       8.99        8.16               17.39+j44.65         1.92
147.367       8.98        8.02               17.31+j45.56         2.02
147.458       8.98        7.87               17.23+j46.47         2.12
147.549       8.97        7.73               17.15+j47.39         2.22
147.640       8.96        7.59               17.07+j48.32         2.33
147.731       8.95        7.45               17.01+j49.25         2.45
147.822       8.94        7.31               16.94+j50.18         2.56
147.913       8.93        7.17               16.88+j51.13         2.69
148.004       8.91        7.03               16.83+j52.07         2.82

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