12 Meter Wire Antennas



Center Frequency:		24.920 Mhz	 73.54 Mhz 3rd Harmonic
Halfwave in space is:		19.74 feet	13.43 coax|16.19 twinlead
Quarterwave in space is:	 9.87 feet	 6.71 coax| 8.09 twinlead

Quarterwave Vertical is:	 9.39 feet	11.06 foot ground radials
Five Eights wave Vertical is:	24.20 feet	 9.39 foot ground plane
Three Quarter wave Vertical:	29.13 feet	 4.70 foot eighthwave

Halfwave Dipole/Vertical is:	18.78 feet	 9.39 one side.
Halfwave Reflector is:		19.72 feet	17.93 for Director
Low Mount Halfwave is:		18.38 feet	 9.19 one side.
Halfwave Folded Dipole is:	18.54 feet	 9.27 one side.
Halfwave Inverted V is:		19.46 feet	 9.73 one side.
Colinear Array is:		38.52 feet	19.26 one side.
Extended Double Zepp is:	48.39 feet	24.20 one side.

Fullwave Quad Loop is:		40.93 feet	10.23 one side.
Reflector|Director:		42.98|39.09	10.74| 9.77 one side.
Fullwave Delta Loop is:		40.93 feet	13.64 one side.
Reflector|Director:		42.98|39.09	14.33|13.03 one side.

Waves 1:  38.52 |1.5:  58.27 |2:  78.01 |2.5:  97.75 |3: 117.50 |4 : 156.98
Waves 5: 196.47 |6.0: 235.96 |7: 275.44 |8.0: 314.93 |9: 354.41 |10: 393.90

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