Szczepan Bialek wrote:
Does ""Large constructed half-wavelength dipole towers include the Warsaw
radio mast - the only half-wave dipole for longwave ever built." needs the
ground?
S*

It does NOT require a ground to be functioning, assuming the energy is
coupled into the radiator using some other way than an end-feed.

Of course it would be stupid to erect an over 600m high mast and not
connect it to ground, but that is for reasons entirely unrelated to
its use as a transmitter antenna.