TailGator wrote:

Agree wholeheartedly with the dipole comments - I live on the Gulf coast of
Florida, right on the water, and have an 80-ft longwire, end-fed, about 35
feet up and sloping down to a fence post. Coax to a Grove TUN-4 and an Icom
R75 and a Drake. Reception is fantastic! Can't go wrong with a long...wire,
that is

What you have is a sloping inverted-L antenna. A real longwire is much
longer than 80-ft for most of the HF spectrum.


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starman wrote in message ...
TailGator wrote:

Agree wholeheartedly with the dipole comments - I live on the Gulf coast of
Florida, right on the water, and have an 80-ft longwire, end-fed, about 35
feet up and sloping down to a fence post. Coax to a Grove TUN-4 and an Icom
R75 and a Drake. Reception is fantastic! Can't go wrong with a long...wire,
that is

What you have is a sloping inverted-L antenna. A real longwire is much
longer than 80-ft for most of the HF spectrum.


TailGator & StarMan,

FWIW: More 'properly' called a "Random" Wire Antenna
- - - Vice a [Longwire] Antenna


IIRC: A 80 Foot single wire would be 'about' . . .
* Half Wave Length at 6 MHz
* * One Wave Length at 12.5 MHz
* * * Two Wave Lengths at 25 MHz


NOTE: Not enough information to determine if this would be a:
[ ] Simple Top End Feed Slopper
(Vice the Bottom End Feed Slopper)
- - -or- - -
[ ] Inverted "L" Sloper
(The so called "Lazy L" or "Tilted L" Antenna.)


iane ~ RHF
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..


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"Random wire" is the correct term, unless it is, as noted, a truly long wire,
something like 500 feet.

Bill, K5BY

= = = (WShoots1)
= = = wrote in message ...
"Random wire" is the correct term, unless it is, as noted, a truly long wire,
something like 500 feet.

Bill, K5BY


Bill - K5BY,

I Will Repeat Myself: Most people think of the term "Longwire
Antenna" as they apply to the low frequencies especially the AM/MW/BCB
where a One Wavelength Antenna would be Bottom 540kHz = 1860Ft; Middle
1120kHz = 900Ft;
Top 1700kHz = 590Ft.

BUT, by 'definition' a "Longwire Antenna" is a "Longwire Antenna" when
its length is equal to One Wavelength (or more) at a given frequency.

EXAMPLES: One Wavelength "Longwire" Antennas for the following SW
Bands
49M Band = 165Ft
41M Band = 137Ft
31M Band = 104Ft
25M Band = 85Ft
22M Band = 73Ft
19M Band = 65Ft
16M Band = 57Ft
- - - All of which are less than 500Ft or more.

It then follows that the same "Longwire Antenna" would be Two
Wavelengths, a Half Wavelength, and a Quarter Wavelength at other
frequencies.

However, at all other frequencies this "Longwire Antenna" is simply a
'random' wire antenna.

iane ~ RHF
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..