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[TowerTalk] 20m monoband Yagi height

To: towertalk@contesting.com
Subject: [TowerTalk] 20m monoband Yagi height
From: Robert Gerace <robert.gerace@gmail.com>
Date: Tue, 14 Jul 2020 12:24:06 -0400
List-post: <mailto:towertalk@contesting.com>
Please forgive my inability to figure out how to search archives by subject as 
I have to imagine this is a common question. 

Understanding the best answer is “as high as possible” and the second best 
answer is at least one wavelength...

I wanted to ask about some real world experience between 50’ and 66-70’...

Specifically: given the same antenna, same QTH, same general point in the solar 
cycle...

Has anyone had a 20m monoband, trapless beam at ~50’, then raised it to ~70’ 
and seen enough consistent improvement to justify the effort?

Background:

Given my QTH I have about 55’ to tilt my (in process of permitting) tower. If I 
want to go higher I’m clear to 70 easy. However it will require telescoping 
(e.g. lower to 55, then tilt) to be able to service from the ground — a 
requirement for me.)

The cost difference is very substantial all the way around: purchase, shipping, 
footing, installation). 

So I’m wondering if it’s worth all the time and trouble to get an extra 15-20 
feet?

Background: I’d like a big signal, would like to have at least a 50-75% chance 
to bust most pileups... even if it takes patience...but I’m a casual DXer who 
after 44 years is getting serious about 20m CW DXCC. 

I’m not trying to be the guy who is first through the pileup or even places in 
a DX contest... but I’m tired of being the guy who can only reach for low 
hanging fruit. I want to work some more dopamine inducing DX and maybe turn in 
something more than average on contests. 

I live in NE FL, a mile from the beach, on very sandy soils, and have oak trees 
at 45’. 

Any insight appreciated. 

Thanks es 73
Bob
KD4Q 

Sent from my iPhone
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