Hello Guy (and the group)
I just finished reading your reply/observations on 160-Meter verticals - L's,
etc - and wonder what your thoughts may be for the so-called "Half-Square"
antenna (H-S) where the high current point is at the top of the array and the
antenna is high-voltage-fed at the bottom.
I have a terrible QTH situation where ground conditions are very poor -
basically river deposited gravel
and sand sub-soaked by glacier and snow-melt water covered by several feet of
organic matter. It is an electrically quiet area - S-0 or so - with noise
basically all propagated non-man made noise.
The H-S antenna I use (actually a sloping H-S with top phasing wire at
~90-feet) has 5ea 136-foot radials and performs very well in contests using
100-watts or less.
My question is, given the low current at-ground feed point with Zo ~ 2000-ohms
or so, what sort of improvement might one expect if the radial field was
significantly improved?
73 to all - Dick/w7wkr at CN98pi
=============================
Message: 1
Date: Mon, 7 Jan 2019 12:07:16 -0500
From: Guy Olinger K2AV <k2av.guy@gmail.com>
To: Todd Goins <tgoins@gmail.com>
Cc: TopBand List <topband@contesting.com>
Subject: Re: Topband: Inverted L improvement question
Message-ID:
<CANckpc26fGej-K2sQQ0iDkHu+73y+S8VJeKCtbkKv5F3ukzgjQ@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
Apologies to all for delay in response.
Losses related to ground and close dielectric materials remain the
single monster gorilla in the room for improving TX performance of
vertical antennas
BIG SNIP
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