Anno: 2020

Quando la potenza è gratis
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Quando la potenza è gratis

Sono certo che molti di noi ricordano la canzone dei Dire Straits che fa: “Money for nothing and …” ma quanti avrebbero pensato che un…

Technology and Technique Making Ham Radio Testing Possible During Pandemic
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Technology and Technique Making Ham Radio Testing Possible During Pandemic

Amateur radio license testing continues during the pandemic, with a combination of remote Volunteer Examiner (VE) test sessions and careful in-person session planning. In Hawaii, VE Team…

Enthusiasm Undimmed for International Lighthouse Lightship Weekend
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Enthusiasm Undimmed for International Lighthouse Lightship Weekend

The 23rd International Lighthouse Lightship Weekend (ILLW) takes place this weekend. The 2-day event begins at 0001 UTC on August 22 and continues until 2400…

How To Use A Ham Radio Manual Antenna Tuner
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How To Use A Ham Radio Manual Antenna Tuner

How To Use A Ham Radio Manual Antenna Tuner Antenna Lesson 6.1 Antenna Basics December 19, 2014 No comments Antenna Basics “General Class Ham Radio…

K6OIK Wins the August QST Cover Plaque Award
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K6OIK Wins the August QST Cover Plaque Award

The winning article for the August 2020 QST Cover Plaque award is “Antenna Performance in a Forest of Trees” by Steve Stearns, K6OIK. The QST Cover Plaque Award —…

Extend SDR Transmit Range – LimeSDR – HackRF – Adalm Pluto Amplifier
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Extend SDR Transmit Range – LimeSDR – HackRF – Adalm Pluto Amplifier

Antenna A powerful analyzer KC901S RF Multimeter with vector antenna analysis function April 24, 2015 No comments   KC901S is a “RF multimeter”. It supports…

Due semplici spettrometri audio a 7 bande
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Due semplici spettrometri audio a 7 bande

L’articolo presenta due versioni di spettrometri audio, realizzati con un microcontrollore, un equalizzatore grafico e pochi altri componenti. Lo strumento copre alcune bande nello spettro…

CUSHCRAFT SR-5 – 5-BD, 9EL, 10/12/15/17/20 M, 5KW
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CUSHCRAFT SR-5 – 5-BD, 9EL, 10/12/15/17/20 M, 5KW

The SR-5 – A 9 element multi-Band HF 5 Band Super-compact Yagi covering 20m/17m/15m/12m/10m bands with a single feed point The SR-5 has been reduced…

The ⁦Lab599⁩ TX-500 memory keyer in action!
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The ⁦Lab599⁩ TX-500 memory keyer in action!

The ⁦@lab599⁩ TX-500 memory keyer in action! #hamradio #qrp #pota ⁦@HamRadioOutlet⁩ pic.twitter.com/9syZScQj7X — SWLing Post (@SWLingDotCom) August 19, 2020 Antenna The PackTenna Mini 9:1 Random…

JT9 activity days ‘Make haste slowly’ 22-23 August 2020
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JT9 activity days ‘Make haste slowly’ 22-23 August 2020

Dear Fellow Radio Amateurs, We invite fans of digital modes of radio communication to JT9 activity days ‘Make haste slowly‘ which will take place from…

New Contest for Portable Stations to Debut in October
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New Contest for Portable Stations to Debut in October

A new amateur radio contest for portable operators — the Fox Mike Hotel Portable Operations Challenge (POC) — will debut October 3 – 4. The…

Open Source Satellite Work Determined to be Free of ITAR
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Open Source Satellite Work Determined to be Free of ITAR

The United States Department of State has ruled favorably on Open ResearchInstitute’s commodity jurisdiction request, finding that specified?Information and Software for a Digital Microwave Broadband…

Alimentatori Switching – Come raggiungere il 90% di efficienza
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Alimentatori Switching – Come raggiungere il 90% di efficienza

Risparmiare energia nelle case può contribuire a proteggere l’ambiente, ma soprattutto ha un effetto diretto sulle bollette elettriche. I frigoriferi sono alimentati 24 ore al…

JA8COE/8 JE8KKX/8 Yagishiri Island. From DXNews.com
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JA8COE/8 JE8KKX/8 Yagishiri Island. From DXNews.com

Taka, JA8COE/8 will be active again from Yagishiri Island, IOTA AS – 147, 21 – 23 August 2020., JA8COE/8 JE8KKX/8 Yagishiri Island. From DXNews.com, ,

Flares Pick Up & A Solar Storm Heads Towards Earth | Space Weather News 08.18.2020
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Flares Pick Up & A Solar Storm Heads Towards Earth | Space Weather News 08.18.2020

Antenna New InnovAntennas Quads November 20, 2017 No comments NEW FOR 2018! Following on from our successful LFA-Q compact quads, we are adding a more…

725GHz first QSO!
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725GHz first QSO!

Michael DB6NT and Andreas DB2NP made on 20th July 2020 first-ever QSO on 725Ghz! Congratulation for these great achievement! http://www.db6nt.de/fileadmin/userfiles/_pdf/download_archiv/Erstverbindung-im-725-GHz-Amateurband.pdf Antenna Home Brew Lightning Disconnector…

The new mAT-705 Auto ATU for the Icom IC-705
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The new mAT-705 Auto ATU for the Icom IC-705

Specifically built for the new Icom IC-705, the mAT-705 is the latest compact and fully portable Micro-ATU owered by an internal 9V dry battery! The…

Airspy Spyverter – HF Upconverter Features / Demo / SDR
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Airspy Spyverter – HF Upconverter Features / Demo / SDR

Antenna SteppIR CrankIR First Tests + News and Update September 02, 2019 No comments     Read more X-Quad antennas for 2m and 70cm September…

Ailunce HS2
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Ailunce HS2

HS2 is an ultra-portable full-frequency full-mode SDR radio. Receive frequency coverage 300K~1.6GHZ. HS2 adopts a full keyboard design, built-in Bluetooth module, sound card module and…

Un driver per LED
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Un driver per LED

In questo articolo verrà esaminata la realizzazione driver per LED a corrente elevata step-down sincrono, da 60 V. Il significato del concetto di “LED ad…

2m Activity Weekend
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2m Activity Weekend

  Self explanatory notice about an upcoming activity weekend here in the UK. The event takes place on Saturday 22nd and Sunday 23rd August on…

Controllo motore di nuova generazione
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Controllo motore di nuova generazione

InstaSPIN-FOC è l’innovativa tecnologia per il controllo dei motori introdotta da Texas Instruments. Disponibile su diversi microcontrollori della famiglia C2000 Piccolo, questa soluzione rivoluzionaria consente…

Personal English Trainer – Assistente Vocale AI
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Personal English Trainer – Assistente Vocale AI

Questo progetto può essere un valido aiuto per la preparazione ad esami linguistici, dove gli studenti possono essere formati interagendo con Snips AI. Spesso quando…

OX3LX Aasiaat Island Greenland. From DXNews.com
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OX3LX Aasiaat Island Greenland. From DXNews.com

Bo, OZ1DJJ will be active again as OX3LX from Aasiaat Island, IOTA NA – 134, Greenland, 24 August – 20 September 2020., OX3LX Aasiaat Island…

YN5AO Nicaragua. From DXNews.com
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YN5AO Nicaragua. From DXNews.com

Robert, DL7VOA will be active as YN5AO from Nicaragua, 21 November – 5 December 2020., YN5AO Nicaragua. From DXNews.com, ,