Norman Lockyer Observatory Radio Group

GB2NLO G0AXC

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NLO crossed-wire antenna.  Far-field simulations for 18m
(18.068 - 18.168 MHz)


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

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

Model: x45dipole2.ez
(set simulation frequency to 18.1MHz to reproduce patterns shown).

Max gain is at ±17° from wire direction.





Slice through the direction marked in red



Splayed dipole feed

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

Model: x45splay2.ez
(set freq. to 18.1MHz to reproduce pattern shown).




DWK 2008, 2011