Author: iz4wnp

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10-Min Tear-Down DX Commander Expedition Antenna

My Holiday Ham Radio Antenna. NOTE: I used a Classic Stay-Up kit as an experiment. These are not normally supplied but I was away for…

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ARRL Field Day 2022: 500,000 Contacts Already Reported

2022 ARRL target=”_blank” href=”http://www.arrl.org/field-day” rel=”noreferrer noopener”>Field Day wrapped up nearly a week ago, and ARRL Headquarters has already received over 2,400 entries submitted via the online target=”_blank” href=”https://field-day.arrl.org/fdentry.php”…

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Better Ground Radials for the Wolf River Coil

I demonstrate an improved ground radial system for the Wolf River Coil Silver Bullet 1000 Antenna Another Look at the4 Alpha-Delta DX-EE Antenna April 08,…

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La realizzazione di Industry 4.0: considerazioni sistemiche essenziali

Sul blog di Elettronica Open Source puoi leggere non solo tutti gli articoli Premium riservati agli abbonati Platinum 2.0 e inseriti nella rivista Firmware 2.0…

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TX5XG Austral Islands. From DXNews.com

Haru, JA1XGI will be active as TX5XG from Austral Islands, 2 – 9 November 2022., TX5XG Austral Islands. From DXNews.com, ,

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Generatore di funzioni DDS fino a 10 MHz

Gli integrati operanti in tecnologia DDS (Direct Digital Synthesis) sono oggi facili da reperire, e semplificano enormemente la progettazione della parte analogica di un generatore…

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CARS HQ to participate in the IARU HF Championship as C4HQ

C4HQ After many years of inactivity, a number of CARS members will be activating the C4HQ callsign during the upcoming IARU HF Championship to be…

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New PicoAPRS V4

PicoAPRS V4 VHF radio 1W TX pwr Bluetooth Wifi Microphone& speaker for voice com. USB-C on the side Color IPS screen 5 way button+PTT PicoAPRS…

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Firmware 2.0 #25: Robotics-Cloud Computing

E’ online il nuovo numero della rivista di elettronica Firmware 2.0 dedicata a Makers, Professionisti e Appassionati. Questo numero della rivista è focalizzato sul tema…

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DX0NE Spratly Islands. From DXNews.com

DX0NE Team planning activity from Spratly Islands, IOTA AS – 051, 1 August – 31 December 2022., DX0NE Spratly Islands. From DXNews.com, ,

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Transmit Without License During An Emergency? Save Life & Property?

Tony DeWitte AD0DQ, joins me to explain when it is legal for you to transmit outside of your radio privileges to save life or protect…

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CONTEST LOG ANALYZER

The complete software suite to Edit, Analyze, Generate Statistics, View multiple logs simultaneously, Map QSOs, Import and Export to Cabrillo or ADIF files. https://contest.mozello.shop/ Antenna…

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MFJ-914 Auto Antenna Extender – Review

The MFJ-914 offers a way of extending the matching range of the internal ATU inside any transceiver. If your internal ATU is struggling to achieve…

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PSMC – Controllore Programmabile a Commutazione

Sul blog di Elettronica Open Source puoi leggere non solo tutti gli articoli Premium riservati agli abbonati Platinum 2.0 e inseriti nella rivista Firmware 2.0…

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More on Grounding

Scott, N3CRS, has emailed Dave a very well organized list of questions that have to do with the subject of grounding. Lets see if Dave…

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Caribbean Emergency networks activate for potential tropical cyclone.

Carlos CO2JC, IARU Region 2 Emergency Communications Co-ordinator reports that a potential tropical cyclone is entering the Caribbean Sea on Wednesday June 29 and the…

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IARU R1 SRLC at HamRadio2022

The IARU Region 1 Spectrum Regulation and Liaison Committee (SRLC) chair took part in a joint session with the R1 Political Relations Committee (PRC) during…

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Il relè DC bidirezionale di OMRON per i nuovi sistemi domestici a energia rinnovabile

OMRON, società leader in un’ampia gamma di mercati, dall’automazione industriale ai componenti elettronici, ha introdotto un relè DC bidirezionale di potenza appositamente progettato per la…

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Tango Echo Net 01/07/2022

  One of the many regular UK nets, this time we feature the Thames Estuary DX Net which takes place on Friday 1st July from…

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 Perseus 22 -INTRODUCING NEXT-GEN SDR RECEIVER

Perseus22 is a 4 channels, direct sampling receiver with a continuous frequency coverage from 10 KHz to 225 MHz and a typical image rejection larger than 70…

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The Android SDR App That Beats Them All! Supports RTL-SDR Airspy HackRF and Many More!

Android SDR App SDR MUST be plugged in before starting SDR++ and you MUST press refresh in the SDR source you’re using before pressing play if you first plugged…

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Mini SSB HF Receiver 150 kHz To 30 Mhz

SI4732 SSB 150K-30MHZ FM 64M-108MHZ Color LCD Display DSP Radio Receiver Built-in Battery Features: -Color LCD display, read data more clearly. -Built-in high-capacity lithium battery,…

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LoRa Cloud Locator

Semtech lancia LoRa Cloud Locator Cloud Service per dimostrare le prestazioni e le funzionalità di Asset Tracking di LoRa Edge. Il nuovo servizio consente ai…

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Implementare l’Auto Baud su dispositivi dsPIC30F

Sul blog di Elettronica Open Source puoi leggere non solo tutti gli articoli Premium riservati agli abbonati Platinum 2.0 e inseriti nella rivista Firmware 2.0…

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Comet-NCG – Dayton Hamvention 2022

2022 saw the return of the Dayton Hamvention and also celebrated the 70th anniversary of the world’s largest ham radio trade show. Ham Radio Outlet…