Anno: 2021

Apartment Grounding Dilemma
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Apartment Grounding Dilemma

Ilya, ER1TAW, inspired this video from his question that Dave has been asked many times. How should one ground when they live in an apartment…

Baofeng AR-152 Tactical Military Ham & Airsoft Radio
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Baofeng AR-152 Tactical Military Ham & Airsoft Radio

Baofeng AR-152 VHF/UHF Ham Radio 15W Powerful 12000mAh Battery Portable Tactical Game Walkie Talkie AN /PRC-152 Two Way Radio Antenna Wolf River Coils Silver Bullet…

How close can I mount two antennas?
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How close can I mount two antennas?

A viewer asks: “I am running three UHF and four VHF radios. They are all on different frequencies. What would be the minimum spacing for…

Hermes Lite 2.0 SDR Transceiver
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Hermes Lite 2.0 SDR Transceiver

In this video, we take a look at the very cool Hermes Lite 2.0 SDR Transceiver HF Ham Radio. The Hermes-Lite is a low-cost direct…

Time and the WWV
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Time and the WWV

Albert, N3XEI, lives in North Carolina and he sometimes listens to WWV but he can hear WWVH before he hears WWV. Why is this? Aren’t…

New Executive Committee elected at IARU R1 Conference
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New Executive Committee elected at IARU R1 Conference

Today, on the 24th of October 2021, the new Executive Committee has been elected at the IARU R1 Conference. The new IARU R1 EC consists…

TI SimpleLink CC3000
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TI SimpleLink CC3000

Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. Texas Instruments ha recentemente presentato un nuovo modello di microcontrollore, il…

Il linguaggio di programmazione Python con le schede della famiglia Arduino
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Il linguaggio di programmazione Python con le schede della famiglia Arduino

Python è compatibile con Arduino? In questo articolo scopriremo come sia possibile rendere Python, uno dei linguaggi di programmazione più diffusi al mondo, compatibile anche…

Farnell lancia la quinta puntata del podcast “The Innovation Experts”
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Farnell lancia la quinta puntata del podcast “The Innovation Experts”

L’azienda Rohde & Schwarz, leader nella produzione di apparecchiature per test e misurazioni, collabora con Farnell per parlare dell’utilizzo dell’innovativo e potente strumento delle Unità…

Radioddity DB20-G Compact 20W GMRS Radio
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Radioddity DB20-G Compact 20W GMRS Radio

Let’s take a look a this mini-mobile and compact GMRS Mobile Radio from Radioddity. Rated at 20-watts, let’s test the power output and see what…

WSJT-X version 2.5.1 released
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WSJT-X version 2.5.1 released

WSJT-X version 2.5.1 releasedThe development team have announced the General Availability (GA) release of WSJT-X version 2.5.1. This release mainly contains improvements and defect repairs…

Grounding When Portable
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Grounding When Portable

Curt, KB9JQU, has a newer question around the topic of grounding. He is wondering how are you to ground when you are doing portable operations?…

DISCOVERY TX 500 Upgrade Amplifier & ATU!
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DISCOVERY TX 500 Upgrade Amplifier & ATU!

We look at the latest firmware update and also at the upcoming accessories. GENERAL FEATURES – Splash proof & Dustproof Portable SDR 160-6-meter ham bands;…

Wolf River Coil vs End Fed Half Wave: Brunet Island State Park, WI POTA K-1442
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Wolf River Coil vs End Fed Half Wave: Brunet Island State Park, WI POTA K-1442

You asked for it, here it is: a live A/B test of the Wolf River Coil vs the Chameleon CHA-LEFS End Fed Half Wave antenna….

CQWW introduces new Youth Overlays
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CQWW introduces new Youth Overlays

CQWW committee stated earlier that: 1) We have created a new YOUTH overlay that will be available to all competitors who are 25 years old…

Un generatore di sinusoide con Arduino
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Un generatore di sinusoide con Arduino

Se ti stai chiedendo come creare un generatore di sinusoide con Arduino sei sull’articolo giusto. La spiegazione che leggerai, se starai con me fino alla…

40th Anniversary of Legal CB Radio in the UK
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40th Anniversary of Legal CB Radio in the UK

  The 40th anniversary of legal UK CB Radio is on 2nd November 2021. As in previous years, a nationwide net will take place with…

7P8RU Lesotho. From DXNews.com
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7P8RU Lesotho. From DXNews.com

7P8RU Team will be active from Lesotho, starting 22 October 2021., 7P8RU Lesotho. From DXNews.com, ,

39th Annual AMSAT Space Symposium and Annual General Meeting
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39th Annual AMSAT Space Symposium and Annual General Meeting

Il 39° Symposium Spaziale AMSAT e l’Assemblea Generale annuale, che si terrà il 30 ottobre 2021, includeranno aggiornamenti sui progetti AMSAT e presentazioni sulla tecnologia…

MadMachine SwiftIO board-Il linguaggio moderno incontra l’hardware moderno
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MadMachine SwiftIO board-Il linguaggio moderno incontra l’hardware moderno

Il linguaggio di programmazione Swift, piuttosto affermato tra i dispositivi Apple, può ora essere utilizzato anche su MCU. Daremo uno sguardo alla scheda SwiftIO, che…

K-PO DX-5000 Plus /Anytone AT-5555 Plus NEW 10/11m Radio
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K-PO DX-5000 Plus /Anytone AT-5555 Plus NEW 10/11m Radio

Video:YouTube/KBC NL Here we have a first look at the new K-PO DX-5000 Plus / Anytone AT-5555 Plus which boasts extra features including VOX, CTCSS,…

IARUMS Region 1 Newsletter September 2021
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IARUMS Region 1 Newsletter September 2021

The IARUMS Region 1 Newsletter September 2021 is now available.Click on the link to read it! …

La gestione energetica nelle tecnologie per lo spazio
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La gestione energetica nelle tecnologie per lo spazio

La fornitura di energia elettrica per i veicoli spaziali è forse il requisito fondamentale per attivare il carico utile del satellite. Un problema al sistema…

Phasing Antennas for Directionality
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Phasing Antennas for Directionality

Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to know if he can use a…

What is CESSB? W9GR the author explains!
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What is CESSB? W9GR the author explains!

Dave, W9GR explains what is CESSB – Controlled Envelope SSB and how it gives your more RF Talk power. Antenna End Fed Dipoles : So…