Author: iz4wnp

Digital Signal Processor: la tecnologia digitale applicata all’analisi dei segnali
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Digital Signal Processor: la tecnologia digitale applicata all’analisi dei segnali

L’elaborazione numerica dei segnali, di qualunque natura essi siano, rappresenta senza ombra di dubbio una delle tecnologie che hanno riscosso il maggiore successo ed attenzione…

A91WTIS Bahrain. From DXNews.com
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A91WTIS Bahrain. From DXNews.com

A91WTIS Team will be active from Bahrain, 10 – 17 May 2020, for World Telecommunication and Information Society Day., A91WTIS Bahrain. From DXNews.com, ,

New NOAA Updates Solar Cycle 25 Prediction
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New NOAA Updates Solar Cycle 25 Prediction

Frank Donovan, W3LPL, notes that the National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center (SWPC) has published its official updated prediction of Solar…

Buyer Alert!  Do you know how to spot a counterfeit BF-F8HP?
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Buyer Alert! Do you know how to spot a counterfeit BF-F8HP?

BF-F8HP and Counterfeits: Their differences and how to spot a counterfeit BF-F8HP  The BaoFeng BF-F8HP has been an extremely popular entry-level amateur radio ever since its debut….

Nomination Deadline Extended for Philip J. McGan Memorial Silver Antenna Award
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Nomination Deadline Extended for Philip J. McGan Memorial Silver Antenna Award

In light if the coronavirus pandemic, the ARRL Public Relations Committee has extended the nomination deadline for the Philip J. McGan Memorial Silver Antenna Award until Monday,…

Organize Your Ham Radio Shack With Mic Booms & Switches
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Organize Your Ham Radio Shack With Mic Booms & Switches

News Buyer Alert! Do you know how to spot a counterfeit BF-F8HP? April 22, 2020 No comments BF-F8HP and Counterfeits: Their differences and how to…

Ham Radio Remote Testing with Anchorage VEC | Online Testing
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Ham Radio Remote Testing with Anchorage VEC | Online Testing

    Ham Radio Remote Testing has been a reality since 2014 for the Anchorage, AK VEC Team. Today I get to sit down with…

Microcontrollori low power: come scegliere
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Microcontrollori low power: come scegliere

In questo articolo affronteremo delle considerazioni di base sui microcontrollori, volte a confrontare e scegliere tra i diversi modelli disponibili sul mercato. Il risparmio energetico è…

Contest University (CTU) 2020 will be Free and Online
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Contest University (CTU) 2020 will be Free and Online

Tim Duffy, K3LR, has announced that Contest University (CTU) USA 2020 will be held online via Zoom on Thursday May 14, starting at 1245 UTC….

Hams in India Provide Communication Assistance during COVID-19 Pandemic
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Hams in India Provide Communication Assistance during COVID-19 Pandemic

According to a report in The New Indian Express, amateur radio operators in Kerala state have joined the fight against COVID-19. The newspaper said the district administration has…

SURPRISE GEOMAGNETIC STORM
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SURPRISE GEOMAGNETIC STORM

The first geomagnetic storm of 2020 (category G1) took forecasters by surprise on April 20th when a CME hit Earth’s magnetic field, sparking bright auroras over Canada and…

Japan and 160m band
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Japan and 160m band

In JA, the following frequency ranges were permitted by the Ministry of Internal Affairs and Communications today (21 Apr. 2020) . 1800kHz – 1810kHz (All…

8J17CALL by 7-CALL Amateur Radio Club, Japan
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8J17CALL by 7-CALL Amateur Radio Club, Japan

Hello! This is 7M4VQJ, Satoshi from Tokyo. I am a president of 7-CALL Amateur Radio Club (JS1YEY), Tokyo based club station organized by 7-CALL amateurs. Firstly, I wish…

Spread Spectrum Vs. Narrow Band
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Spread Spectrum Vs. Narrow Band

Fissato il rapporto segnale rumore, l’aumento della banda di un canale trasmissivo migliora le prestazioni e l’immunità degli errori nel canale. Il principio dello Spread…

Arduino: come usare un solo pin per input multipli
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Arduino: come usare un solo pin per input multipli

Se non lo sapessi, è possibile usare un solo pin di Arduino come sorgente di diversi input. In altre parole: puoi usare un solo pin…

Linee guida per la progettazione di un’antenna per tag NFC
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Linee guida per la progettazione di un’antenna per tag NFC

La tecnologia NFC (Near Field Communication), già presente sul mercato da alcuni anni, identifica un sistema di trasmissione dati senza contatto basato sullo standard RFID…

8J1RL Showa Research Station. From DXNews.com
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8J1RL Showa Research Station. From DXNews.com

8J1RL will be active from Showa Research Station, Queen Maud Land, IOTA AN – 015, until January 2021., 8J1RL Showa Research Station. From DXNews.com, ,

COVID-19 Net Now Running Wednesdays on 40 Meters
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COVID-19 Net Now Running Wednesdays on 40 Meters

The Medical Net, a special COVID-19 net, is running Wednesdays on 7.222 MHz. The net deals with correct data on COVID-19 epidemiology care, care issues,…

How to use the Magnetic Loop Antenna – Spring RELAX
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How to use the Magnetic Loop Antenna – Spring RELAX

“Here I want to show you how to use the Magnetic Loop Antenna. I have enjoyed the walk during this beautiful spring day. This day…

Eight Tips For successful Low Power Radio Contacts – QRP
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Eight Tips For successful Low Power Radio Contacts – QRP

News COVID-19 Net Now Running Wednesdays on 40 Meters April 20, 2020 No comments The Medical Net, a special COVID-19 net, is running Wednesdays on…

Fully-Remote Amateur Radio License Exam Administration
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Fully-Remote Amateur Radio License Exam Administration

Contributing Authors: Marcel Stieber AI6MS, Sterling Mann N0SSC, Nick Booth N1CCK, Lucky225 WA6VPS, Richard Bateman KD7BBC Press Release: Amateur radio license exams typically involve local, in-person…

Capacità del canale di comunicazione
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Capacità del canale di comunicazione

Un canale di comunicazione sia esso via radio o su cavo o quant’altro, è soggetto a disturbi,  rumore, ed altre problematiche come l’attenuazione che riducono…

Smart metering
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Smart metering

Gestire al meglio energia verde e risorse naturali: la chiave del nostro futuro! Parlare di energia verde, di fonti sostenibili e di economia più in…

TO3F FM/OQ3R Martinique. From DXNews.com
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TO3F FM/OQ3R Martinique. From DXNews.com

Marius, FM/OQ3R will be active from Martinique Island, IOTA NA – 107, 25 May – 6 June 2020., TO3F FM/OQ3R Martinique. From DXNews.com, ,

Q-31 Part 13 All Boxed Up
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Q-31 Part 13 All Boxed Up

Antenna HexBeam SP7IDX Technology assembly April 15, 2020 No comments Read more How to shorten your wire antenna without cutting it April 14, 2020 No…