Charly - Check-Out these Items ~ RHF
TOROID FERRITE QRP HAM RADIO BALUN MATCHING TRANSFORMER
http://cgi.ebay.com/_W0QQitemZ5873245727
FERRITE BALUN QRP HAM RADIO CORES
http://cgi.ebay.com/_W0QQitemZ5873851905
Check-Out eBay Seller RF Junkie (rfjunkie)
ERICKSON ENGINEERING
http://search.ebay.com/_W0QQsassZrfjunkieQQhtZ-1
Amidon Associates produces a broad line of ferrite beads,
coil forms, cores and specialty items for the electronic
experimenter. {Via Universal-Radio.Com}
http://www.universal-radio.com/catalog/misc/amidon.html
#1542 FT 50-43 Ferrite Toroidal Core Qty = 3
0.500" x 0.281" x 0.188" AL=523
#1544 FT 82-43 Ferrite Toroidal Core Qty = 3
0.825" x 0.520" x 0.250" AL= 557
#0471 BN-43-202 Two Hole Core = Qty 4
0.525" x 0.150" x 0.550" x 0.295 AL=2890
Building a Matching Transformer ? Ferrite Core ?
TIP - Start with a "Know Quantity" and Build-from-there !
hope this helps - iane ~ RHF
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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/
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Alle Sind Willkommen ! - - - Shortwave Radiozuhörer
Gruppe für SWL Antennen
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
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Tutti Sono Benvenuti ! - - - Gruppo Radiofonico
dell'ascoltatore di onda corta per le Antenne di SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
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Todos São Bem-vindos ! - - - Grupo de Rádio
do ouvinte do Shortwave para Antenas de SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
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Все *адушны ! - - - Группа оператора
на приеме коротковолнового диапазона
Radio для Aнтенн SWL
http://groups.yahoo.com/group/Shortwave-SWL-Antenna/
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¡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/
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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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