Pete:
Going only by memory, I did have a quarter wave sloper on my 120ft.
tower.
This was some time in the late 80's or 1990 or so. As I remember, it got
out surprisingly well. I remember being able to hold a run frequency in
(probably) the ARRL 160m contest. I do remember working a lot of US
stations- and that was with only a 100W transmitter BTW.
I remember not being able to find a resonance, in terms of SWR minimum,
but OTOH the SWR was not prohibitively high so I just used it and didn't
worry about that. I say go for it. A sloper on a 50ft. tower should be
easy enough to try.
73, David K3KY
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