>> Sunday, October 4, 2009
How to Increase Height Naturally
If you are one of those Hams like me, you have very little tree space on your property, and those that are standing there for you to use do not have a brother across the lot some 100- 200 feet away. I have a few pines that are 45 - 50 feet high, but the antenna would cross the roof and not work very well.
The ones that would do well are cluttered up with a Japanese Berry and an old fruitless Macintosh Apple tree. (The only Macintosh I will ever have near my QTH...a tree.) Never the less these trees are just not worthy of antenna hanging, so I must improvise.
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The best improvisation I can think of would be a VERTICAL POLE or two, at about forty feet high. I could flat-top between these two or maybe buy only one and push-up an inverted "vee". Either way I am compromising my receive and that bugs the living crap out of me.
I have always been in favor of hearing first and to do that on 75 we need "wire in the air"...The capture area of 75 Meters is about 3600 SQ feet.Maybe that explains why a 10 meter dipole does not hear a damn thing on 75. The capture area is so big that the 10 meter dipole is lost in the shuffle of signal inside the capture area.
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SO it stands to reason that we need "more wire" in the air...about 246 feet will be required to be inside the range of a good antenna for receiving on 75 and 80 Meters. Obviously, you can use an inverted "vee" or a "flat-top" to transmit, but these antennas are a compromise because they are generally half wave antennas and half is only half as good as a whole wave on 75...
The antenna I have strung between the MAX-GAIN PUSH UPS is a 75 Meter Bow Tie Loop.I get a lot of dumb looks from a lot of people and my best friends will not try the antenna, while my enemies laugh and consider me a kook !!! So be it, this KOOK is telling you that I hear and talk to stations that my friends cannot begin to pull out of the noise.
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