15 Meter Wire Antennas


15 Meter CW


Center Frequency:		21.060 Mhz	62.290 Mhz 3rd Harmonic
Halfwave in space is:		23.36 feet	15.65 coax|20.56 twinlead
Quarter wave in space is:	11.68 feet	 7.83 coax|10.28 twinlead

Quarter wave Vertical is:	11.11 feet	13.08 foot ground radials
Five eights wave Vertical is:	28.97 feet	11.11 foot ground plane
Three Quarter wave Vertical:	34.47 feet	 5.56 foot eighthwave

Halfwave wire dipole is:	22.22 feet	11.11 one side.
Halfwave Reflector is:		23.33 feet	21.22 for Director
Low Mount Halfwave is:		21.75 feet	10.87 one side.
Halfwave folded dipole is:	21.94 feet	10.97 one side.
Halfwave inverted V is:		23.03 feet	11.51 one side.

Extended double Zepp is:	59.81 feet	29.90 one side.

Fullwave quad loop is:		48.43 feet	12.11 one side.
Reflector|Director:		50.85|46.25	12.71|11.56 one side.
Fullwave delta loop is:		48.43 feet	16.14 one side.
Reflector|Director:		50.85|46.25	16.95|15.42 one side.

Waves 1:  45.58 |1.5:  68.95 |2:  92.31 |2.5: 115.67 |3: 139.03 |4 : 185.75
Waves 5: 232.48 |6.0: 279.20 |7: 325.93 |8.0: 372.65 |9: 419.37 |10: 466.10

15 Meter SSB


Center Frequency:		21.300 Mhz	63.000 Mhz 3rd Harmonic
Halfwave in space is:		23.10 feet	15.48 coax|20.33 twinlead
Quarter wave in space is:	11.55 feet	 7.74 coax|10.16 twinlead

Quarter wave Vertical is:	10.99 feet	12.94 foot ground radials
Five eights wave Vertical is:	28.64 feet	10.99 foot ground plane
Three Quarter wave Vertical:	34.08 feet	 5.49 foot eighthwave

Halfwave wire dipole is:	21.97 feet	10.99 one side.
Halfwave Reflector is:		23.07 feet	20.98 for Director
Low Mount Halfwave is:		21.50 feet	10.75 one side.
Halfwave folded dipole is:	21.69 feet	10.85 one side.
Halfwave inverted V is:		22.77 feet	11.38 one side.

Extended double Zepp is:	59.13 feet	29.57 one side.

Fullwave quad loop is:		47.89 feet	11.97 one side.
Reflector|Director:		50.28|45.73	12.57|11.43 one side.
Fullwave delta loop is:		47.89 feet	15.96 one side.
Reflector|Director:		50.28|45.73	16.76|15.24 one side.

Waves 1:  45.07 |1.5:  68.17 |2:  91.27 |2.5: 114.37 |3: 137.46 |4 : 183.66
Waves 5: 229.86 |6.0: 276.06 |7: 322.25 |8.0: 368.45 |9: 414.65 |10: 460.85

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06/99