Norman Lockyer Observatory Radio Group

Centre-fed long-wire
(Simple dipole feed):

N and S wires driven.
E and W wires unconnected.

Model: x45dipole2.ez
(set freq. to 21.2MHz to reproduce patterns shown).
Strong lobes at ±14° from wire direction (8.3dBi, elevation 12°) and ±35° (8.6dBi, elevation 16°).

Slice through direction marked in red

Splayed dipole feed

N and W wires connected.
S and E wires conneceted.

Model: x45splay2.ez
(set simulation freq. to 21.2MHz to reproduce the pattern shown)