StarMan,

That is True.

IIRC: Many of the 'original' HAM Transmitting Inverted "L" Antennas
were Quarter Wavelength Antennas with 1/8 Vertical and 1/8 Horizontal
for dual polarization of the signal in-theory (near and far
propagation ?).

The 'evolution' of the Inverted "L" Antenna application to an
'available space concept' for a SWL Receiving "Only" Antenna;
generally has the Top/Horizontal Section about twice as long as the
End/Vertical Section.

NOTE: Reversing the "L" and having the End Section feed point at the
far end of the antenna with a buried Coax Cable running directly under
it (acting as a Counterpoise) makes for a better (lower noise)
receiving antenna.


iane ~ RHF
..
..
= = = starman
= = = wrote in message ...
RHF wrote:

Telamon,

"the vertical portion should be a significant portion of the antenna
to qualify as an inverted L. An antenna"

TRUE - Look at the Letter "L" and you will see that an Inverted "L"
Antenna will have an END (Vertical) to TOP (Horizontal) 'aspect ratio'
between 1:1.5 (2:3) and 1:2; but beyond 1:4 it is really not an "L"
any more.

The vertical section of the inverted-L is also important for receiving
certain kinds of signals (propagation related) that the horizontal
section is less sensitive to.


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