Caricabatteria USB con ATmega
0 0

Caricabatteria USB con ATmega

Una connessione USB, un microcontrollore ATMega ed un convertitore DC/DC sono tutto quello che serve per realizzare un caricabatterie per celle a ioni di litio. Scopriamo come. Nel 2008 Atmel ha introdotto la…

Solar Cycle 25
0 0

Solar Cycle 25

With 2019 set to see the bottom of the current solar cycle all eyes are looking towards Solar Cycle 25…. When will it start? When…

Third Wednesday Monthly Communications Exercises Set
0 0

Third Wednesday Monthly Communications Exercises Set

FEMA Region 10 will conduct monthly communications exercises (COMMEX) on the third Wednesday of each month, starting on January 16, 1730 – 1900 UTC. Amateur…

FCC Reaches 0,000 Settlement in Unauthorized Satellite Launch Case
0 0

FCC Reaches $900,000 Settlement in Unauthorized Satellite Launch Case

The FCC has settled an investigation into an alleged unauthorized launch and operation of small satellites by Swarm Technologies. The company agreed to a Consent Decree that…

AnyTone AT-D878UV – In-Depth Review – DMR HT with APRS!
0 0

AnyTone AT-D878UV – In-Depth Review – DMR HT with APRS!

“The AnyTone AT-D878UV is a dual band analog FM and DMR (tier I and II) portable radio, it supports APRS, DMR Roaming and DPRS. This…

WRTC 2022 Organizing Committee Unveils New Website, Initial Qualification Rules
0 0

WRTC 2022 Organizing Committee Unveils New Website, Initial Qualification Rules

The World Radiosport Team Championship 2022 (WRTC 2022) Organizing Committee has debuted its official website as well as the Initial Qualification Rules — already under debate — to be selected…

Tecniche di protezione dei file binari
0 0

Tecniche di protezione dei file binari

Le applicazioni orientate al mondo embedded hanno la necessità di utilizzare sistemi di protezione? L’argomento mi sembra abbastanza interessante. Credo che qualsiasi azienda ha la necessità di proteggere il proprio lavoro, pensiamo ad alcune…

P4/DL4MM P40AA Aruba. From DXNews.com

Mat, DL4MM will be active again from Aruba 22 – 30 January 2019, as P4/DL4MM and P40AA., P4/DL4MM P40AA Aruba. From DXNews.com, ,

FT8 in the ARRL RTTY Roundup 2019
0 0

FT8 in the ARRL RTTY Roundup 2019

ARRL RTTY Roundup The popular digital mode makes its HF contest debut January 5 – 6. Follow these instructions and give it a try! Joe…

5 January 2019 Kids Day
0 0

5 January 2019 Kids Day

The 5th of January it’s again Kids Day. This event is especially created to promote Amateur Radio to youth. This is a moment where you can…

Happy New Year from Delboy

FCC to Suspend Most Operations on January 3, if Government Shutdown Continues
0 0

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…

Engineering the Doublet Antenna
0 0

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…

ARRL’s Logbook of The World Tops 1 Billion QSO Records
0 0

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…

The AMSAT SA 2 m / 70 cm dual-band Yagi antenna is now available
0 0

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…

RT97 Portable Repeater Power Amplifier UHF
0 0

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….

Tecnologia TOUCH-SENSE
0 0

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…

Gcc e i sistemi embedded
0 4

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…

AvrX un kernel per AVR
0 2

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…

Top Five Amateur Radio Reviews of 2018
0 4

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:…

Timer programmabile con PIC
0 0

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…

Heads-Up Display, quando il videogioco ispira la realtà
0 0

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…