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DIY - Build and FM Loop Antenna Project - Works for Shortwave Listening (SWL) Too !



 
 
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Old April 9th 07, 08:16 AM posted to rec.radio.shortwave
RHF
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Posts: 8,677
Default DIY - Build and FM Loop Antenna Project - Works for Shortwave Listening (SWL) Too !

On Apr 8, 3:53*am, "RHF" wrote:
For One and All,

Do-It-Yourself - Build and FM Loop Antenna Project -and-
Works for both Analog or Digital FM Radio Broadcasting
FM LOOP =http://www.wryr.org/Antenna_instruct.../message/12886

Basically a Square "Quad" Loop Antenna design a little
under Three Foot (36") on the Side :
FM QUAD =http://www.wryr.org/Antenna_instructions.pdf

Single Turn Hook-Up Wire Antenna Element

300 Ohm TV type Twin Lead feed-in-line

Simple "X" Diagonal Wooden Frame

Mount it In-Doors either :

Flat Horizontally for all-a-round Omni-Directional FM Radio
Reception.

On-the-Edge Vertically for Point-and-Shoot FM Radio Reception.

PLUS - If you can not have an Out-Side External Antenna
for your Shortwave Radio -and- You need and Antenna that
you can Store and put away when you are not using the
Shortwave Radio : Then this simple Loop Antenna can be
used with some success to Listen In-Doors and Position
the Loop Antenna Element to Null-Out some of the Noise
within your House. *Lays Flat and [Hides] nicely behind
a Desk, Bookcase or Curtains when not in use.
SWL LOOP =http://www.wryr.org/Antenna_instructions.pdf

NOTE - These small Single Turn Loop Antennas usually
work best with the HI-Z {500 Ohm} Terminals found on
most Shortwave Radios.

from fm to shortwave it's doable - iane ~ RHF {pomkia}
*.
Shortwave Listener (SWL) Antennas Group =http://tinyurl.com/ogvcf
GoTo =http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
The SWL Antenna Discussion Group =http://tinyurl.com/ogvcf
Shortwave Listener (SWL) Antenna HELP =http://tinyurl.com/ogvcf
Shortwave Listener (SWL) Antenna NEWS =http://tinyurl.com/ogvcf
Shortwave Listener (SWL) Antenna INFO =http://tinyurl.com/ogvcf
* * * All Are Welcome : Including ELMERS and 'Want-to-be-Elmers'
plus plain old "Mister-Know-It-Alls"; and even those Newbees with
"I Know This Is A Really Dumb Question - But _ _ _ _ _ _ _ _ "
*.
The Shortwave Listener's Blessing :
SWL BLESSING =http://tinyurl.com/s2bjm
May You Never Tire of Listening to the Radio and Always
have Strong Signals and Noise Free Reception ~ RHF {ibid}http://groups.yahoo.com/group/Shortw...a/message/9233
*.
Tous Sont Bienvenus ! - - - Groupe par Radio
d'auditeur d'onde courte pour des Antennes de SWLhttp://groups.yahoo.com/group/Shortwave-SWL-Antenna/
*.
Alle Sind Willkommen ! - - - Shortwave Radiozuhörer
Gruppe für SWL Antennenhttp://groups.yahoo.com/group/Shortwave-SWL-Antenna/
*.
Tutti Sono Benvenuti ! - - - Gruppo Radiofonico
dell'ascoltatore di onda corta per le Antenne di SWLhttp://groups.yahoo.com/group/Shortwave-SWL-Antenna/
*.
Todos São Bem-vindos ! - - - Grupo de Rádio
do ouvinte do Shortwave para Antenas de SWLhttp://groups.yahoo.com/group/Shortwave-SWL-Antenna/
*.
Все *адушны ! - - - Группа оператора
на приеме коротковолнового диапазона
Radio для Aнтенн SWLhttp://groups..yahoo.com/group/Shortwave-SWL-Antenna/
*.
¡Todos Son Agradables! - - - Grupo de Radio del oyente
de la onda corta para las Antenas de SWLhttp://groups.yahoo.com/group/Shortwave-SWL-Antenna/
*.
= = = = Plain Old American-English Translation = = = =
All are Welcome - - - To Join the Shortwave Listeners
(SWL) Antenna Group on YAHOO !http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
*.
*|
*|
*|
/ \
.......!.......


A MODIFICATION to this Small Loop Antenna for Shortwave Radio
{Small Loop Element that is Square Shaped and Under 3-Foot}
Listening (SWL) is to use 300 Ohm TV type Twin Lead for the
Loop Antenna Element.

SHORWAVE QUAD =http://www.wryr.org/Antenna_instructions.pdf

Twin {Parallel} Single Turns using 300 Ohm TV type Twin Lead
for the Wire Antenna Element for Higher Shortwave Frequencies.

-OR- Double {Series} Two Turns using 300 Ohm TV type Twin Lead
for the Wire Antenna Element for Lower Shortwave Frequencies.

ADD - A Four Terminal Block to make the Switch from Series
to Parallel and back as needed.

300 Ohm TV type Twin Lead feed-in-line

Simple "X" Diagonal Wooden Frame

that's all - iane ~ RHF
.
.
.. .


 




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