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J28RO (Freddy): EAntenna
Un nouveau modèle chez EAntenna, un multi-dipôles 14/21/28 Mhz... lien SPÉCIFICATIONS20m15m10m Gamme de fréquences:14,0~14,3521,0~21,4528,0~29,7 Éléments par Band:111 Gain:2,15dBi2,15dBi3,0dBi SWR:...
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J28RO (Freddy): Newsletters PVRC et Cheese Bits
Les dernières newsletters de Cheese Bits et du PVRC sont en ligne ... lien - lien
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J28RO (Freddy): Film "Fréquence interdite"
Lundi soir sur Direct 8 un film de science-fiction où les stations amateurs sont à l'honneur. C'est l'histoire de John Sullivan, inspecteur de police, qui par une nuit illuminée d’aurore boréale et...
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EA1CS: K4S, NA-058
Un grupo de 10 a 12 operadores estará activo como K4S, desde Isla Sapelo NA-058, del 12 al 14 de setiembre 2013.La operación se desarrollará de 10 a 160mts en Cw, Ssb, Rtty y Psk.QSL vía LoTW y...
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EA1CS: HK0, San Andrés 2013
Actualización 6 junio 2013En un principio se había anunciado octubre como el mes de la operación, las fechas exactas son del 1 al 10 de noviembre 2013.2 junio 2013Un grupo de operadores de DXFriends,...
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KA3DRR (Scot): From ARRL | Public Outreach with NTS Messaging
As one who hasn't connected with our National Traffic System since forever I'd encourage Field Day planners to consider carving out a few hours this year and connect via point-to-point communications...
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EA1CS: 5R8NE, Madagascar Is.
Del 16 al 30 de julio 2013 estará Flavio IW2NEF, activo como 5R8NE, desde Nosy-Be, AF-057 ( incluyendo IOTA test).Sólo operará de 10 a 40mts en Ssb.73´s, Luis EA1CS
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AE5X (John): “Hier ist London” and the coining of the term “ionosphere”
The are aspects of World War II that would be more appropriately taught as courses in Humanities rather than History. Or perhaps Ironies 101 would be a better name for the following series of events...
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IW5EDI (Simone): SDR on your Android Galaxy S3
RTLSDR on a Saturn Galaxy SIIIIW5EIJ Leonardo, yesterday night showed me a nice App running on Android, named SDR Touch. Connecting the Samsung Galaxy S3 to the RTLSDR dongle will turn your smartphone...
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G4VXE (Tim): David KK4MND shows using the SO-50 satellite using a Baofeng UV-5R
It was good to see, earlier in the week via the Southgate Amateur Radio site, a video from David Mercado KK4MND, using his Baofeng UV-5R to operate through the SO-50 sateliite. David is using an after...
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G3XBM (Roger): Good results with new VLF earth-mode RX system
Today I carried out a test with my new simpler RX system for VLF/LF earth-mode "through the ground" communications, testing with a 5W TX into 20m spaced earth electrodes at 8.976kHz. The new preamp is...
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EA7EU (Pedro): Nueva Moxon para 12/17m de EAntenna 1217MOX
Bonita la antena Moxon que EAntenna acaba de incluir en su amplísimo catálogo de antenas para nuestro hobby.En este caso en un boom de 227cm y con un elemento más grande de 6,26m (333cm de giro)...
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EA7EU (Pedro): Rígido EAntenna Classic JR 10/15/20m
Según indica EAntenna en su web, esta antena es el deseo de un motón de radioaficionados a los que les gustaría tener un dipolo rígido para estas tres bandas clásicas, pero que por tener una...
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G3XBM (Roger): Shortwave Radio Archive
Just spotted on the Southgate site that K4SWL is creating a website to archive shortwave broadcast recordings before these disappear. Already many SW BC stations have closed at least parts of their...
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EA7EU (Pedro): Dishtronix Prometheus DX2400L1, "Esto es cañita brava!"
(foto obtenida del shack de W9AD)Que te parecería tener 2400W?Copio y pego: 2400 W PEP total rating of RF power transistors. Cool running 4800W Switching Power Supply (SPS4800) or Extra Heavy Duty DC...
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W2LJ (Larry): In a word
One word to describe the bands tonight - stinky! (I could have used a more colorful and apropos term, but I've sworn off swearing.)Oh, I had my share of success. I worked St. Barthelemy again, but on...
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EA7EU (Pedro): Remoto Ultra portable con un TS480 y REMOTEQTH
Otra forma dirente de activar una estación en remoto, estés donde estes.Evidentemente necesitarás el TS480, un módulo Bluetooth , una batería USB, tener el Server de RemoteQth, un teléfono Android...
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J28RO (Freddy): QST vidéo contest
Voici les trois lauréats du challenge annuel QST, des meilleures vidéos pour la promotion du radio amateursime..
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