On Fri,10/9/2015 12:26 AM, Roger (K8RI) on TT wrote:
For me in lower MI about half of the states are between, 200 to 600
miles. Extend that to 800 miles and it's nearly 3/4.
Yeah, those flyover states and the hams who live in them don't matter. :)
Except for Ca the major # of hams is under 700 miles. Max stateside
is the west coast at 2000 miles. That means several antennas for
distance to the W and SW
Not necessarily -- a high horizontal antenna with good low angle
radiation still has plenty of radiation at higher angles. 150-20 degrees
is a very good angle for stations in the 600-800 mile range, and, by
inverse square law, a station at 800 miles is 7 dB closer than one at
1800 miles.
Typically F/B is more important than gain,
Huh? For what reason? Especially for contesting and DX, I want maximum
smoke! I'll reserve F/B for RX antennas.
but I need short, medium and long distance from SW to W
If you understand how horizontal antennas work and understand inverse
square law, you need only one for any given direction, as high as most
hams can hang it. For ANY distance, it's awfully hard to beat a pair of
high dipoles at right angles to each other, and switch between them.
"High" means "the best that you can do. :) I can do 140 ft, and I'm
loud on 80 and 40 at both long and short distances.
Study http://k9yc.com/VertOrHorizontal-Slides.pdf
73, Jim K9YC
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