Author: iz4wnp

New portable antenna from Comet Japan
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New portable antenna from Comet Japan

We are pleased to announce the release of a new portable Antenna system from Comet Japan covering 1.8 to 50 MHz – ideal for the…

SAQ Alexanderson Alternator Christmas Eve Transmission Cancelled
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SAQ Alexanderson Alternator Christmas Eve Transmission Cancelled

There will be no Christmas Eve transmission from SAQ, the Alexanderson Alternator transmitting station in Sweden. The Grimeton World Heritage Foundation and Alexander GVV Friends…

Progettare con i micro Stellaris di TI
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Progettare con i micro Stellaris di TI

Analizziamo in questo articolo alcune semplici linee guida per l’utilizzo di questi microcontrollori, evitando i problemi più comuni. Introduzione Stellaris (Figura 1) è la famiglia…

3D2AG/P Rotuma Island. From DXNews.com
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3D2AG/P Rotuma Island. From DXNews.com

Antoine de Ramon N'Yeurt, 3D2AG will be active again as 3D2AG/P from Rotuma Island, IOTA OC – 060, from end of December 2020 – Mid…

Hosting HamNation & FreeDV Digital Voice Over HF!
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Hosting HamNation & FreeDV Digital Voice Over HF!

Hosting HamNation & FreeDV Digital Voice Over HF! Antenna Indoor Antennas That Work! – Ham Nation 460 July 02, 2020 No comments Read more MFJ-1846…

Germany: Temporary licence for 160m ham radio band extended
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Germany: Temporary licence for 160m ham radio band extended

IARU Region 1 reports Germany’s temporary license for the amateur radio 160m band has been extended until the end of 2021 The IARU-R1 site says:…

Microcontrollori RA4M3 per applicazioni industriali e IoT
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Microcontrollori RA4M3 per applicazioni industriali e IoT

Renesas Electronics Corporation, leader globale nei microcontrollori, nell’innovazione delle soluzioni embedded nonché fornitore di soluzioni avanzate basate su dispositivi a semiconduttori, ha presentato una espansione…

Se il provider non provvede tocca scusarci anche se non abbiamo colpa….
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Se il provider non provvede tocca scusarci anche se non abbiamo colpa….

Cari Soci, c’è un provider che non provvede e c’è un cloud che vorrebbe tanto ospitarci ma che, se il provider non provvede, non può…

How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style
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How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style

How To Make a Doublet Antenna for Ham Radio – No Talking – ASMR style Antenna Navassa 5 Elements [ K7AGE ] – : Part…

Spy Radio & Indoor Antennas – If they can do it, so can you!
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Spy Radio & Indoor Antennas – If they can do it, so can you!

Spy Radio & Indoor Antennas – If they can do it, so can you! Antenna Build your own Roll Up Slim Jim Antenna for the…

What is QSK? And How Do I Use It?
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What is QSK? And How Do I Use It?

What is QSK? And How Do I Use It? Antenna XR3-NV | HIGH PERFORMANCE 14 ELEMENT 20 / 15 / 10 METER MULTI-MONO CONTEST YAG…

La tecnologia Deeply Depleted Channel di SuVolta
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La tecnologia Deeply Depleted Channel di SuVolta

Abbiamo incontrato a Milano Jeff Lewis, Senior VP Marketing & Business Development di SuVolta, dove ci ha presentato, in concomitanza con l’IEDM 2011, la tecnologia Deeply…

Ottimizzare la memoria su MSP430 e μC/OS-II
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Ottimizzare la memoria su MSP430 e μC/OS-II

Questo articolo mostra come utilizzare un Micrium C/OS-II real-time kernel su MSP430 soltanto con un piccolo consumo supplementare di memoria. Vedremo alcuni suggerimenti sull’utilizzo delle…

Yaesu FT-991A and FTDX10 Size Comparison
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Yaesu FT-991A and FTDX10 Size Comparison

  A photo showing the size of the new Yaesu FTDX10 in relation the existing FT-991A has been posted by John Kruk or Yaesu USA….

SSTV Event to Help ARISS Mark 20 Years of Continuous Ham Radio Operation in Space
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SSTV Event to Help ARISS Mark 20 Years of Continuous Ham Radio Operation in Space

Amateur Radio on the International Space Station (ARISS) will continue its year-long 20th anniversary celebration of continuous ham radio operation from the ISS this month,…

Yaesu FT DX10 Unboxing, First Impressions and Visual Comparison to the Icom IC-7300 / FTDX10 FT-DX10
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Yaesu FT DX10 Unboxing, First Impressions and Visual Comparison to the Icom IC-7300 / FTDX10 FT-DX10

Yaesu FT DX10 Unboxing, First Impressions and Visual Comparison to the Icom IC-7300 / FTDX10 FT-DX10 Antenna Four-square eight directions antenna system, with dummy load…

Contest University to Host Propagation Summit
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Contest University to Host Propagation Summit

Several radio propagation experts will share their knowledge during a Propagation Summit via Zoom, sponsored by Contest University (CTU). The event is scheduled for January…

Logbook of The World to be Offline for Approximately 6 Hours
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Logbook of The World to be Offline for Approximately 6 Hours

Logbook of The World (LoTW), ARRL’s online QSO confirmation system, will undergo scheduled maintenance beginning Monday, December 21, at 2300 UTC (6 PM EST) for…

SCR Gate Generatore di impulsi
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SCR Gate Generatore di impulsi

La famiglia di dispositivi a semiconduttore definita “raddrizzatori controllati al silicio” o SCR, comprende tiristori e triac. A differenza di molti altri semiconduttori che possono…

Review of MFJ-8504B RF Receiver Distribution Amplifier
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Review of MFJ-8504B RF Receiver Distribution Amplifier

Review of MFJ-8504B RF Receiver Distribution Amplifier Antenna Ham College 24 : Antennas and more questions from the Technician pool December 25, 2016 No comments…

Yaesu FTdx-10 First Look
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Yaesu FTdx-10 First Look

Hybrid SDR Configuration: Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band SDR and Direct Sampling SDR. The…

Transatlantic Tests Mark 99th Anniversary
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Transatlantic Tests Mark 99th Anniversary

On December 11, 1921, radio history was made when the signal from amateur station 1BCG in Greenwich, Connecticut, was heard in Ardrossan, Scotland, marking the…

ARRL Releases a New Edition of Storm Spotting and Amateur Radio
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ARRL Releases a New Edition of Storm Spotting and Amateur Radio

The third edition of Storm Spotting and Amateur Radio is now available from ARRL. Storm spotting gives radio amateurs another way to offer a public service by…

10 sensori da regalare a Natale al tuo fidato Arduino
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10 sensori da regalare a Natale al tuo fidato Arduino

Tic toc, si avvicina il momento più atteso dell’anno. Eh si! Manca poco al Natale e voi avete già fatto i regali? Avete pensato proprio…

VQ9RA Diego Garcia Chagos Archipelago. From DXNews.com
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VQ9RA Diego Garcia Chagos Archipelago. From DXNews.com

VQ9RA. Randy, WW6RG will be active again from Diego Garcia, IOTA AF-006, Chagos Islands, starting 18 January 2021, as VQ9RA., VQ9RA Diego Garcia Chagos Archipelago….