Build your own Three Element Yagi:
33 centimeters data sheet
Total length of copper tubing required for antenna elements:1' 8"
Total length of wood required for boom: 8"
ELEMENT             LENGTH (in.)       SPAC. TO REF. (in.)   ELE. DIA. (in.)
Reflector             6.6875                     0               0.25000
Driven                6.3125                2.5000               0.25000
Director  1           5.9375                5.0000               0.25000

Normalized Radiation Resistance at 902.000 MHz is 422.7 Ohms
FREQ (mHz)   GAIN (dBi)    F/B (dB)          IMPEDANCE (ohms)      VSWR
 902.000       7.86        3.14               11.5+j68.77          1.00
 902.591       7.81        3.07               11.62+j69.48         1.06
 903.182       7.75        3.00               11.74+j70.19         1.12
 903.773       7.69        2.93               11.86+j70.90         1.19
 904.364       7.64        2.86               11.99+j71.61         1.26
 904.955       7.58        2.79               12.12+j72.31         1.33
 905.546       7.52        2.72               12.25+j73.03         1.40
 906.137       7.47        2.65               12.39+j73.75         1.48
 906.728       7.41        2.59               12.52+j74.45         1.56
 907.319       7.35        2.52               12.67+j75.17         1.64
 907.910       7.29        2.46               12.81+j75.89         1.73
 908.501       7.23        2.39               12.96+j76.59         1.82
 909.092       7.18        2.33               13.11+j77.31         1.91
 909.683       7.12        2.27               13.26+j78.03         2.01
 910.274       7.06        2.20               13.42+j78.73         2.10
 910.865       7.00        2.14               13.58+j79.45         2.20
 911.456       6.94        2.08               13.74+j80.17         2.30
 912.047       6.88        2.02               13.9+j80.89          2.41
 912.638       6.82        1.96               14.07+j81.59         2.51
 913.229       6.76        1.91               14.24+j82.31         2.62
 913.820       6.71        1.85               14.42+j83.04         2.73
 914.411       6.65        1.79               14.6+j83.75          2.84
 915.002       6.59        1.73               14.78+j84.47         2.96
 915.593       6.53        1.68               14.96+j85.19         3.07
 916.184       6.47        1.62               15.14+j85.90         3.19
 916.775       6.41        1.57               15.33+j86.62         3.31
 917.366       6.36        1.52               15.53+j87.33         3.43
 917.957       6.30        1.46               15.72+j88.05         3.55
 918.548       6.24        1.41               15.92+j88.77         3.68
 919.139       6.18        1.36               16.12+j89.48         3.80
 919.730       6.13        1.31               16.32+j90.2          3.93
 920.321       6.07        1.26               16.53+j90.91         4.05
 920.912       6.01        1.21               16.74+j91.63         4.18
 921.503       5.96        1.16               16.95+j92.34         4.31
 922.094       5.90        1.11               17.16+j93.06         4.43
 922.685       5.84        1.07               17.38+j93.77         4.56
 923.276       5.79        1.02               17.6+j94.48          4.69
 923.867       5.73        0.97               17.83+j95.2          4.82
 924.458       5.68        0.93               18.05+j95.92         4.95
 925.049       5.62        0.88               18.28+j96.63         5.08
 925.640       5.57        0.84               18.51+j97.34         5.22
 926.231       5.52        0.79               18.75+j98.06         5.35
 926.822       5.46        0.75               18.99+j98.77         5.48
 927.413       5.41        0.71               19.23+j99.48         5.61
 928.004       5.36        0.67               19.47+j100.19        5.74

BACK | HOME


This page programmed and maintained by Fishing Net Web Design.