Specifications and FAQ's
| Lengths of wire elements and spacing Note that driven element consists of two 1/2 sections and reflector consists of two 1/2 sections Units are Inches, wire is 16 Ga (0.051 in. dia.) |
| Positions of wires on center post These are guides only and should not be regarded with the precision of the wire lengths and the end spacers. |
| Distance above the base plate 20 meters 42 inches 17 meters 20 inches 15 meters 14 inches 12 meters 10 inches 10 meters 6 inches |
| Conversion Table for Different Wire Thickness These factors can be used to calculate new wire lengths if wire that is not 16 gauge is used |
| Wire Dia. (In.) Wire Gauge Multiply lengths by 0.032 20 0.996 0.040 18 0.998 0.051 16 1.000 0.064 14 1.002 0.081 12 1.004 0.102 10 1.006 |
| Printable Version (Pull down File menu and then "print") |
| End Spacing (inches) ddBand Dd Dr Dt ddd20 7.7 5.0 11.0 ddd17 6.1 4.0 8.8 ddd15 5.4 3.6 7.8 ddd12 5.4 3.6 7.8 ddd10 5.6 3.6 7.9 |
| Optimized for Lower band dddddddDesignd1/2 Driver 1/2 Reflector Band Freq. wire length wire length 20 14.050 216.0 220.5 17 18.150 166.9 170.3 15 21.100 142.8 145.7 12 24.950 121.1 123.6 10 28.100 107.7 109.9 |
| Optimized for Upper band Designd1/2 Driver 1/2 Reflector Band Freq. wire length wire length 20 14.200 213.6 218.0 17 18.150 166.9 170.3 15 21.300 141.4 144.2 12 24.950 121.1 123.6 10 28.600 106.2 108.4 |