20 Meter Wire Antennas


20 Meter CW


Center Frequency:		14.060 Mhz	41.586 Mhz 3rd Harmonic
Halfwave in space is:		34.99 feet	23.45 coax|30.79 twinlead
Quarter wave in space is:	17.50 feet	11.72 coax|15.40 twinlead

Quarter wave Vertical is:	16.64 feet	19.60 foot ground radials
Five eights wave Vertical is:	43.39 feet	16.64 foot ground plane
Three Quarter wave Vertical:	51.64 feet	 8.32 foot eighthwave

Halfwave wire dipole is:	33.29 feet	16.64 one side.
Halfwave Reflector is:		34.95 feet	31.79 for Director
Low Mount Halfwave is:		32.57 feet	16.29 one side.
Halfwave folded dipole is:	32.86 feet	16.43 one side.
Halfwave inverted V is:		34.50 feet	17.25 one side.

Extended double Zepp is:	89.58 feet	44.79 one side.

Fullwave quad loop is:		72.55 feet	18.14 one side.
Reflector|Director:		76.17|69.28	19.04|17.32 one side.
Fullwave delta loop is:		72.55 feet	24.18 one side.
Reflector|Director:		76.17|69.28	25.39|23.09 one side.

Waves 1:  68.28 |1.5: 103.27 |2: 138.26 |2.5: 173.26 |3: 208.25 |4 : 278.24
Waves 5: 348.22 |6.0: 418.21 |7: 488.19 |8.0: 558.18 |9: 628.17 |10: 698.15

20 Meter SSB


Center Frequency:		14.220 Mhz	42.059 Mhz 3rd Harmonic
Halfwave in space is:		34.60 feet	23.18 coax|30.45 twinlead
Quarter wave in space is:	17.30 feet	11.59 coax|15.22 twinlead

Quarter wave Vertical is:	16.46 feet	19.38 foot ground radials
Five eights wave Vertical is:	42.90 feet	16.46 foot ground plane
Three Quarter wave Vertical:	51.05 feet	 8.23 foot eighthwave

Halfwave wire dipole is:	32.91 feet	16.46 one side.
Halfwave Reflector is:		34.56 feet	31.43 for Director
Low Mount Halfwave is:		32.21 feet	16.10 one side.
Halfwave folded dipole is:	32.49 feet	16.24 one side.
Halfwave inverted V is:		34.11 feet	17.05 one side.

Extended double Zepp is:	88.57 feet	44.29 one side.

Fullwave quad loop is:		71.73 feet	17.93 one side.
Reflector|Director:		75.32|68.50	18.83|17.13 one side.
Fullwave delta loop is:		71.73 feet	23.91 one side.
Reflector|Director:		75.32|68.50	25.11|22.83 one side.

Waves 1:  67.51 |1.5: 102.11 |2: 136.71 |2.5: 171.31 |3: 205.91 |4 : 275.11
Waves 5: 344.30 |6.0: 413.50 |7: 482.70 |8.0: 551.90 |9: 621.10 |10: 690.30

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06/99