http://westgreyham-ve3ldp.blogspot.ca/2015/08/on-30-meters.html
I want to compare two more or less 30 meter antennas , my existing one above and another to be built at the top of the hill. I want to see if there are any "height advantages ". I also would love to A/B a dipole vs vertical at the top of the hill
and the numbers ....
30 Meter Wire Antennas
This Band CW Only
Center Frequency: 10.120 Mhz 29.87 Mhz 3rd Harmonic Halfwave in space is: 48.62 feet 33.06 coax|39.87 twinlead Quarterwave in space is: 24.31 feet 16.53 coax|19.93 twinlead Quarterwave Vertical is: 23.12 feet 27.23 foot ground radials Five Eights wave Vertical is: 59.58 feet 23.12 foot ground plane Three Quarter wave Vertical: 71.74 feet 11.56 foot eighthwave Halfwave Dipole/Vertical is: 46.25 feet 23.12 one side. Halfwave Reflector is: 48.56 feet 44.16 for Director Low Mount Halfwave is: 45.26 feet 22.63 one side. Halfwave Folded Dipole is: 45.65 feet 22.83 one side. Halfwave Inverted V is: 47.92 feet 23.96 one side. Colinear Array is: 94.86 feet 47.43 one side. Extended Double Zepp is: 119.17 feet 59.58 one side. Fullwave Quad Loop is: 100.79 feet 25.20 one side. Reflector|Director: 105.83|96.25 26.46|24.06 one side. Fullwave Delta Loop is: 100.79 feet 33.60 one side. Reflector|Director: 105.83|96.25 35.28|32.08 one side. Waves 1: 94.86 |1.5: 143.48 |2: 192.09 |2.5: 240.71 |3: 289.33 |4 : 386.56 Waves 5: 483.79 |6.0: 581.03 |7: 678.26 |8.0: 775.49 |9: 872.73 |10: 969.96
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