Author: iz4wnp

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Insertion Loss, A/B Amplifier Relay, Why It Is Called An RCA Phono Plug/Jack,

Jim W6LG YouTube Elmer shows how to measure insertion loss on a box he built with a relay inside to select one of two linear…

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Xiegu G106 Ham Radio Review – “It’s Just OK”

The G106 seems like a radio that is just about worth what they are charging for it. When considering the cost of HF radios today,…

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Provisional results Microwave and July Subregional Contests

The provisional results of the Microwave Subregional Contest held on June 4th-5th are available on the IARU R1 VHF Contest Robot. We have collected and…

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Rest In Peace

 

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XIEGU G106 HF Transceiver In Depth Review

XIEGU G106 Peter Waters G3OJV, takes an In-Depth look at this new transceiver. He also gives his views on what may have been a hoax…

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Getting Audio Sorted Out for FT8 

Kevin, KF0IPD, Is having problems with his audio. He is wondering if their is a setting on the 7300 that powers down the sound card…

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Germany: New Entry-Level license class ‘N’ on its way

DARC reports on the planned introduction of an entry-level amateur radio license, it will be limited to just 10w EIRP in the 144 and 430…

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FT-710 – HF/50MHz TRANSCEIVER

FT-710 HF/50MHz TRANSCEIVER SDR circuit configuration that emphasizes basic performance The twin A/D converter circuit configuration, which is equipped with the high-resolution A/D converter and…

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Horizontal or Vertical Antennas for HF – Which Is Best For You

You need to know which kind of antenna is best for your particular situation and the bands on which you intends to operate on.Here, Peter…

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Corso di Elettronica per ragazzi – Puntata 1

Con questo articolo inizia il Corso di Elettronica per ragazzi. Il corso è composto da tre parti: Elettrotecnica, Elettronica e il mondo dei Microcontrollori. Nella…

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VP2MLB VP2MZN VP2MOK VP2MYV VP2MDA VP2MXH Montserrat Island. From DXNews.com

VP2MLB, VP2MZN, VP2MOK, VP2MYV, VP2MDA, VP2MXH will be active from Montserrat Island, IOTA NA – 103, 13 – 20 October 2022., VP2MLB VP2MZN VP2MOK VP2MYV…

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P40DA P4/PA7DA Aruba. From DXNews.com

Jaap van Duin, PA7DA will be active again as P40DA or P4/PA7DA from Aruba Island, IOTA SA-036, during second half of November 2022., P40DA P4/PA7DA…

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Sfide future nella progettazione di dispositivi wearable

L’evoluzione tecnologica avvenuta nel mondo dei semiconduttori, trainato principalmente dalle innovazioni nel campo della microelettronica come le tecnologie MEMS, ha portato ad un forte sviluppo…

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Dai LED wearables al mantello dell’invisibilità

La tecnologia wearable è spesso utilizzata per monitorare la salute di un utente. Dato che questi dispositivi sono in stretto contatto con l’utente, possono facilmente…

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Putting Your Dipole in a Cage

Jim has a very difficult question. He is asking If you increase the diameter of the active element, in a dipole, would that increse the…

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Emergency Communications Preparedness – Full Disaster EmComm SHTF Drill

Inspirational Video for local and regional Emergency Preparedness Officers and Managers and Amateur Radio Operators in how they can work together to solve complex communications…

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Gli standard dei segnali video – Parte 4

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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FO/F6BCW French Polynesia. From DXNews.com

Didier, F6BCW will be active as FO/F6BCW from Tahiti Island, IOTA OC – 046, French Polynesia, 16 – 21 October 2022 and 26 – 30…

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The Chameleon RXL PRO Gets a New Pre-Amp

The Chameleon RXL small receive-only loop gets a new pre-amp. Chameleon sent me the new pre-amp, which I installed, and this complete review compares the…

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Top 3 Digital Handheld Ham Radios for 2022

Digital Handheld The top 3 digital voice modes in Ham Radio are DMR, DSTAR and YSF Antenna 2m 18 elements XPOL Yagi antenna PA144-XPOL-18-5 March…

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Un Energy Monitor Versatile – Prima Parte

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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Selettore di colore su Web Server per controllare LED RGB con ESP32

In questo articolo andremo a descrivere un progetto facente uso del microcontrollore ESP32. In particolare, utilizzeremo un web server per controllare il colore della luce…

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5J01EA 5K0VT Providencia Island San Andres and Providencia. From DXNews.com

HK3EA and HK3MKQ will be active as 5J01EA and 5K0VT from Providencia Island, IOTA NA – 049, San Andres and Providencia, 28 February – 5…

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Firmware 2.0 #26: IIoT/Automation-Smart Monitoring

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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5R8WP 5R8WG 5R8MM 5R8CG Nosy Be Island Madagascar. From DXNews.com

5R8WP, 5R8WG, 5R8MM, 5R8CG will be active from Nosy Be Island, IOTA AF – 057, Madagascar, 11 – 22 October 2022., 5R8WP 5R8WG 5R8MM 5R8CG…