For fractional wavelength antennas, directionality will be lost at low
heights. At one wavelength or longer, they become directioal at any height.
"Gregg" wrote in message
news:WmPcb.2427$uG.1407@edtnps84...
Behold, Dale Parfitt signalled from keyed 4-1000A filament:



Gregg wrote:

Unless the antenna is 1/2 wave above a prfectly conducting ground or
counterpoise, it really won't matter because it won't be directional.


Could you direct me to a source for this theory?

Thanks,

Dale W4OP

ARRL Antenna Anthology.

--
Gregg
*It's probably useful, even if it can't be SPICE'd*
http://geek.scorpiorising.ca