17 Meter Wire Antennas

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Center Frequency:  18.110 Mhz  53.45 Mhz 3rd Harmonic
Halfwave in space is:  27.17 feet 18.47 coax|22.28 twinlead
Quarterwave in space is: 13.58 feet  9.24 coax|11.14 twinlead

Quarterwave Vertical is: 12.92 feet 15.21 foot ground radials
Five Eights wave Vertical is: 33.30 feet 12.92 foot ground plane
Three Quarter wave Vertical: 40.09 feet  6.46 foot eighthwave

Halfwave Dipole/Vertical is: 25.84 feet 12.92 one side.
Halfwave Reflector is:  27.13 feet 24.68 for Director
Low Mount Halfwave is:  25.29 feet 12.64 one side.
Halfwave Folded Dipole is: 25.51 feet 12.76 one side.
Halfwave Inverted V is:  26.78 feet 13.39 one side.
Colinear Array is:  53.01 feet 26.50 one side.
Extended Double Zepp is: 66.59 feet 33.30 one side.

Fullwave Quad Loop is:  56.32 feet 14.08 one side.
Reflector|Director:  59.14|53.79 14.78|13.45 one side.
Fullwave Delta Loop is:  56.32 feet 18.77 one side.
Reflector|Director:  59.14|53.79 19.71|17.93 one side.

Waves 1:  53.01 |1.5:  80.18 |2: 107.34 |2.5: 134.51 |3: 161.68 |4 : 216.01
Waves 5: 270.35 |6.0: 324.68 |7: 379.02 |8.0: 433.35 |9: 487.69 |10: 542.02