ABOUT - The "T" & Windom Antenna plus Twin Lead Folded Dipole Antenna
RHF
ABOUT - The "T" & Windom Antenna plus Twin Lead Folded Dipole Antenna
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/message/6309
The 'original' Windom Antenna was a Two Wire "T" Antenna.
The "Up" Leg gets the Insulated Wire from the Radio up to
the Flat Top of the "T". The Top of the "T" is un-equal :
* The Shorter Side 38% of the Flat Top Wire Tip-to-Tip.
* The Longer Side 62% of the Flat Top Wire Tip-to-Tip.
= = = [ CLICK-ON-REPLY-TO-VIEW ! ] = = =
Two Wire "T" Windom Antenna :
*-------------------x------------------------------------*
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X = Solder Join Here
Single Wire {Folded} "T" Windom Antenna :
/-------------------------------------------------------*
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\-------------------|
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Note - The Space between the Two Folded Wires can be 6"-12".
300 Ohm Twin Lead {Folded} "T" Windom Antenna :
/-------------------------------------------------------\
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\-------------------x x---------------------------------/
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Note - Off-Center Fed Twin Lead Folded Dipole Antenna.
Here is a Multi-Band Dipole Alternative "T" Antenna :
300 Ohm Twin Lead {Folded} "T" Windom Antenna :
/------------------------x x-------------------------\
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\-----* *----------------x x-----------------* *-----/
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Note - Center Fed Twin Lead Folded Dipole Antenna.
* 40 Foot 'Shorty' Multi-Band Twin Lead Dipole
Top Dipole Wire = 40 Feet = 25 Meter Shortwave Band
Bottom Dipole Wire = 31 Feet = 19 Meter Shortwave Band
Folded Dipole Wire = 49 Feet = 31 Meter Shortwave Band
* 49 Foot 'Average' Multi-Band Twin Lead Dipole
Top Dipole Wire = 49 Feet = 31 Meter Shortwave Band
Bottom Dipole Wire = 34 Feet = 22 Meter Shortwave Band
Folded Dipole Wire = 64 Feet = 41 Meter Shortwave Band
* 65 Foot 'Larger' Multi-Band Twin Lead Dipole
Top Dipole Wire = 65 Feet = 41 Meter Shortwave Band
Bottom Dipole Wire = 40 Feet = 25 Meter Shortwave Band
Folded Dipole Wire = 80 Feet = 49 Meter Shortwave Band
DH - Are you ready to "T" Off ! :o)
hope this helps - iane ~ RHF
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= = = In Shortwave-...@yahoogroups.com,
= = = "Darren Hennig" <dhennig2@t...> wrote:
Hi all.
I recently put up a 25m wire antenna after getting permission
from my apartment complex manager.
Awesome. At least I finally have some metal out the window!
Feeder requirements [and profile constraints] necessitated
this antenna be of a "T" type, with a feeder in the middle
of the wire.
Anyone know much about this configuration? I am trying to
figure impedance/freq response with the antenna.
Thanks,
Darren
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Tous Sont Bienvenus ! - - - Groupe par Radio
d'auditeur d'onde courte pour des Antennes de SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
.
Alle Sind Willkommen ! - - - Shortwave Radiozuhörer
Gruppe für SWL Antennen
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
.
Tutti Sono Benvenuti ! - - - Gruppo Radiofonico
dell'ascoltatore di onda corta per le Antenne di SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
.
Todos São Bem-vindos ! - - - Grupo de Rádio
do ouvinte do Shortwave para Antenas de SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
.
Все Радушны ! - - - Группа оператора
на приеме коротковолнового диапазона
Radio для Aнтенн SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
.
¡Todos Son Agradables! - - - Grupo de Radio del oyente
de la onda corta para las Antenas de SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
.
= = = = = Translation = = = = =
All are Welcome - - - To Join the Shortwave Listeners
(SWL) Antenna Group on YAHOO !
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
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David
wrote:
Try using twin lead to T-Match a dipole some time