Author: iz4wnp

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FCC to Suspend Most Operations on January 3, if Government Shutdown Continues

If the partial lapse in federal government funding continues, the FCC will suspend most operations on Thursday, January 3, at mid-day. At that time, employees…

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Engineering the Doublet Antenna

“I made this doublet connector from a piece of 6mm Nylon 66 I had knocking about. Seems easy enough. I just hope the 450 ohm…

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ARRL’s Logbook of The World Tops 1 Billion QSO Records

As of December 19, more than 1 billion contact records have been entered into ARRL’s Logbook of The World (LoTW) system. And, while 1 billion QSO records…

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The AMSAT SA 2 m / 70 cm dual-band Yagi antenna is now available

The   antenna has a 50-ohm designed driver.  The Yagi has a unique element called a ‘Open Sleeve’ which is a director very close to the driven…

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RT97 Portable Repeater Power Amplifier UHF

RT97 Portable Repeater – Retevis Multi working power selection, working with the matching power adapter, and also can work under DC12V~24V power or car power….

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Tecnologia TOUCH-SENSE

Un interruttore meccanico offre solo una o poco più di una funzione. Il discorso è totalmente diverso quando si parla di una soluzione elettronica con microcontrollore: questo tipo…

PMR 446 Contacts – UK to France

  Videos: YouTube/ Mike1074-DX Conditions have been pretty good on the VHF/UHF bands along the south coast of the UK and Mike has been busy…

Icom AP-95M

Icom AP-95M WIRELESS ACCESS POINT IEEE802.11ac Wave 2 standard FCC Test Report Report No.: RF161004C24L-1 Test Model: AP-95M Received Date: 14, 2018 Test Date: 25…

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Gcc e i sistemi embedded

Chi realizza sistemi embedded utilizza per forza di cose un compilatore. In questo articolo si vuole affrontare un tema decisamente interessante: quali sono le attività da svolgere per realizzare un proprio cross-compilatore partendo da GCC. La cross-compilazione (cross-compilation) è una…

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AvrX un kernel per AVR

AvrX è un kernel real-time multitasking scritto per la famiglia AVR da Barello. Grazie alla disponibilità del codice sorgente e alle sue caratteristiche di real-time, è in grado di sopperire alle esigenze delle applicazioni embedded. AvrX…

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Top Five Amateur Radio Reviews of 2018

A popular topic on this channel are my product reviews. I will often review amateur radio related products as hams are infinitely curious on how…

TH-350 FCC Certification

TH-350 FCC Certification FCC Rules and Regulations Part 15B Date of Test:    Oct. 15, 2018~Dec. 17, 2018 Date of Report:    Dec. 18, 2018 Report Number:…

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Timer programmabile con PIC

I timer programmabili sono oggetti estremamente utili in un’infinità di applicazioni. Tanto per citarne una, si pensi alla temporizzazione dell’esposizione di un PCB sottoposto a sviluppo attraverso un bromografo. Un timer…

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Heads-Up Display, quando il videogioco ispira la realtà

Uno dei settori tecnologici leader dell’evoluzione è sicuramente l’ambito automobilistico. Qui si sperimentano sistemi di guida avanzata e sicura, per il pilota e dei passeggeri. Alert…

Comunicato Referendum Elettorale            CDN e CSN

Al fine di tenere aggiornati i soci, in ossequio alla massima trasparenza, appare opportuno comunicare quanto segue in ordine allo stato attuale delle procedure in…

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New ‘Waterproof’ Baofeng UV-XR

Yet another Baofeng!!!! The Baofeng UV-XR ‘Waterproof’ 10W handheld. Features: 1. IP67 Waterproof and Dustproof. 2. High power 10W 3. Up to 128 memory channels….

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Anytone AT-D878UV Dual Band DMR HT with APRS

Anytone AT-D878UV Dual Band DMR HT with APRS   “Brand new from Anytone is the new AT-D878UV Dual Band DMR HT with APRS. This is…

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Amazing Christmas 70cm contacts

“On the 22 of December, two amazing contacts took place on 70cm EME (moon bounce). MX0CNS using a single 17 element DG7YBN GTV Yagi with just…

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L’Architettura ARM 7

Nel 1983, un gruppo di ingegneri britannici di Acorn, fu sfidato a trovare una soluzione ingegneristicamente valida per la seconda versione di uno degli home computer più diffusi…

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Illuminazione a LED: topologie, criteri e tutto ciò che conta

I LED rappresentano l’elemento circuitale elettronico più semplice ma anche quello che nel corso dell’evoluzione tecnologica ha svolto i ruoli più disparati. Dal suo primo impiego per le più…

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W6LG Makes A Dummy Load From Christmas Lights, Dummy Load That Lights Up The Room

Jim shows the two ways that he makes Christmas Lights into an Antenna and a Dummy Antenna. RF from his linear amplifier lights up the…

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Merry Christmas Everyone!

Seasons greetings and best wishes to everyone who has visited the blog this year (Over 2 million of you)!!!! It’s been an interesting year, poor…

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Radio Amateurs Position to Support Emergency Communication in Tsunami’s Wake

Radio amateurs in Indonesia’s Banten Province are in position to support emergency any necessary emergency communication in the wake of a “stealth tsunami” on December…

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Special Edition – A Ham’s Night Before Christmas HD

KN4AQ’s Christmas Classic, updated to HD Video! Review IC-7610 – Interview with ICOM December 23, 2018 in: Review No comments IC-7610 Fiori Films Presents Ham…

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6 Must Have Amateur Radio Apps!

Review IC-7610 – Interview with ICOM December 23, 2018 in: Review No comments IC-7610 Fiori Films Presents Ham Radio TV: ICOM @ Pacificon 2018. In…