Anno: 2018

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Jim W6LG Uses A Short Dipole To Demonstrate How A Dipole Functions

Jim makes and then shows his tunable half wavelength dipole antenna. Using an antenna analyzer, Jim finds the resonant frequency and the lowest SWR do…

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Ham Radio Deluxe 6.4.0.846 has been released

This download is the same for FULL or TRIAL versions of Ham Radio Deluxe. This download includes all bug fixes to date. The Trial version converts to a Full…

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Scatta la foto

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ITU officially confirms: Z6 prefix is illegal

“In a repost by YT9TP (Serbia) it would appear that the International Telecommunication Union has officially confirmed use of the Z6 prefix is illegal. This from ITU Operational…

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Tecniche di power saving

Le tecniche di power management per i dispositivi C8051F30x e C8051F31x: il calcolo della potenza e le tecniche di risparmio. Il C8051F30x e il C8051F31x di Silabs sono ottime scelte per applicazioni in low power….

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UML Tutorial – StartUML un software per la generazione di diagrammi

Nella precedente puntata sono stati descritti tutti i building-block utilizzati in tutti i diagrammi UML. Noti gli oggetti e le relazioni tra di essi si può rappresentare un problema nella maniera più appropriata. In…

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5 reasons Hamvention is one of the most unique events on Dayton’s calendar

by Nick Blizzard Drone video of the Dayton Amateur Radio Associations’ Hamvention 2018 at the Greene County Fairgrounds and Expo Center   — An event that has…

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Connettore M12 femmina con adattatore RJ45 ideale per quadri di controllo

Il nuovo connettore per cavo M12 femmina con adattatore RJ45 di binder è l’ideale per applicazioni nei quadri di controllo con cavo passante in numerosi…

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VP5DR Turks and Caicos. From DXNews.com

David, W9DR will be active from Turks and Caicos Islands 13 – 25 June 2018 as VP5DR., VP5DR Turks and Caicos. From DXNews.com, ,

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70MHz experimental NoVs now easier

Following agreement with Ofcom, the RSGB is pleased to announce that a new much faster online process is now available for all Full Licensees to access…

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Former Radio Amateur-Astronaut Named as Spain’s Minister of Science

Amateur Radio operator and European Space Agency (ESA) astronaut Petro Duque, ex-KC5RGG/ED4ISS, has been named as the Minister of Science in the new Spanish government….

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PowerPlus – Rugged Portable DC Power Management System

DESCRIPTION Rugged Portable DC Power Management System with built-in High-Efficiency Battery Charger!  > High contrast OLED display  > Power management includes current and voltage readout…

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Fldigi v4.0.17 now available

The hard-working development team led by W1HKJ have announced the release of Fldigi v4.0.17.  This update release of Fldigi brings several bug fixes, performance improvements and several new features..  Full…

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Ip statico Raspberry Pi

Le varie versioni di Raspbian per Pi (i cui nomi sono ispirati ai cartoni di Toy Story) hanno differenze più o meno marcate. La versione…

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L’Atmega 128

L’architettura AVR è del tipo RISC e dispone di un ricco ed efficiente set di istruzioni con 32 registri general purpose: questi sono connessi direttamente all’ALU in modo da…

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CPU Design: La potenza è niente senza controllo

I set di istruzioni vengono odiati, temuti o riveriti perché fanno pensare alla programmazione assembly, ossia un tipo di programmazione altamente stressante, soprattutto se sai…

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Blast From The Past – Stan And Simon 26/05/2008

Found on an old hard drive, here we have Stan, 26AC08, and Simon The Wizard chatting on The Northumberland Net channel (38UKFM) way back in…

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Space Station Digital Amateur Radio TV System Transmitter Determined to be Defective

The Amateur Radio on the International Space Station (ARISS) “Ham Video” digital Amateur Radio TV (DATV) transmitter on the International Space Station (ISS) is reported…

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A Pause in Storming : Solar Storm Forecast 06-14-2018

“Space Weather quiets down this week as the hoped for mini-solarstorm misses Earth to the south. Aurora photographers will need to wait a while longer…

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Sweden’s SAQ Announces Annual Alexanderson Day VLF Transmission on July 1

Sweden’s World Heritage Grimeton Radio Station SAQ Alexanderson alternator will be on the air on July 1 on 17.2 kHz for its annual Alexanderson Day transmission. Three transmissions are…

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RSPduo gives outstanding results vs a rig costing 10X the price!

This video, released today by AE5X shows how well the RSPduo performs up against the Flex6300: Antenna 3 element 144MHz LFA-Q Super-Gainer Quad Style Yagi…

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VERO China New Arrival: 40 Watts Dual Band Mobile Radio VR-6900 With Band Scope and APRS Display

  Firmware upgrade remote VR-6900 can update firmware remotely, fix some bugs when find it   Optional APRS VR-6900 support the optional APRS and display…

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Convertitori Buck sincroni per applicazioni ADAS

I progettisti di autoveicoli possono ridurre significativamente l’EMI e aumentare l’efficienza con i convertitori buck MAX20073 e MAX20074 pin compatibili di Maxim Integrated. I convertitori…

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Programmiamo ESPertino con Lua

Anche se non a tutti noto, Lua è un linguaggio di scripting particolarmente indicato per le applicazioni di tipo embedded. Semplicità, portabilità, ridotte dimensioni del…

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Il Watchdog Timer nei FUJITSU F2MC-8FX

I microcontrollori Fujitsu della serie F2MC-8FX mettono a disposizione dello sviluppatore un’interessante ed utilissima funzione di watchdog. Vediamo in questo articolo in cosa consiste e come utilizzarla a livello pratico. La famiglia di microcontrollori F2MC-8FX fu…