My transmitting antenna is always the same… since 1991.
( Until 1990 I had an old shorter tower with an ”Inverted L” described here )
A self supporting tower, 24 meters high, with a top loading 15 m. yagi at 28 m.
It is shunt fed with a gamma rod, tapped at 18 m. ( right on the photo) and a vacuum
Jennings capacitor. See all details of the Gamma Match on this PDF file
The gamma feed was calculated with the help of always remembered Earl, K6SE.
After using in the first years about 60 radials, which had to be taken away in the spring
season, I tried four elevated radials for the summer, and I never went back.
They have been tuned as two crossed dipoles, trimmed to resonance on 1.830 KHz,
and suspended from the tower with nylon ropes to freely walk around.
Of course I agree on the better efficiency of a wide on ground radial system, but we
have to live with some constrains and, as a matter of fact, I always worked all the
DX stations I could hear (295 DXCC countries on 160 m.).
The shorter rod on the left side of the tower in the photo is the detuning loop. See here.