Author: iz4wnp

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Satellites to monitor Ionosphere : DARPA

The Defense Advanced Research Project Agency (DARPA, USA) has issued the first call for proposals for its Ouija programme, which aims to use sensors on “near-Earth…

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Micro EFM32: alte prestazioni con consumi ridotti

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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5R8LH Madagascar. From DXNews.com

Elvira, IV3FSG will be active as 5R8LH from Madagascar, IOTA AF – 013, 1 August – 9 September 2022., 5R8LH Madagascar. From DXNews.com, ,

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Ham-Friendly Homes For Sale

Current Ham-Friendly Homes For Sale Brooksville, FloridaSuperstation For Sale 24 acres of land, just 30 minutes north of Tampa. Custom-built, open floor plan home w/4…

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The POTA SOTA CW Killer Ham Radio DMX-40 Review + Real American Heroes

This is a long term review of The Preppcom DMX-40 QRP CW transceiver. Also a big shout out to some real American heroes. Antenna Yagi…

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ABR Industries – Dayton Hamvention 2022

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

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Progettiamo una Sensor Network per i parametri ambientali – Parte 3

Nell’ultimo decennio si sono sviluppate moltissime piattaforme hardware orientate all’Internet of Things in tutte le sue forme ed applicazioni: domotica, monitoraggio, applicazioni industriali, automotive e…

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TennTennas Mini EFHW 49:1 25W All Mode SOTA POTA Antenna

TennTennas Introducing the brand new TennTennas Mini. This time it’s even smaller, lighter, and portable. This antenna handles 25 watts of power and is small…

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How Many Ferrite Beads on an HF Antenna? What is Coaxial Cable? What are Common Mode Currents?

Ferrite Beads on an HF Antenna? What is Coaxial Cable? What are Common Mode Currents? Antenna 4O3A ANTENNA GENIUS 8X2 | SO2R ANTENNA SWITCH WITH…

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Outdoor INMARSAT L BAND ANTENNA From SDR KITS

An active Antenna with 10m RG58 Cable for permanent placement outdoors to explore and experiment with reception of satellite signals on frequencies between 1530MHz to…

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DARPA: Satellites to monitor Ionosphere

The Defense Advanced Research Project Agency (DARPA, USA) has issued the first call for proposals for its Ouija programme, which aims to use sensors on…

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Controllo motore con micro 2000

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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Pilotare i LED con il Driver CS5171

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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Progetto di un misuratore di corrente elettrica basato sul sensore ad effetto Hall ACS712 – Parte 2

Nell’anteprima del precedente articolo “Progetto di un misuratore di corrente elettrica basato sul sensore ad effetto Hall ACS712 – Parte 1” abbiamo introdotto brevemente il…

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C6ADX C6AYL Exuma Islands Bahamas. From DXNews.com

Joe, W8GEX and Janet, W8CAA will be active from Exuma Islands, IOTA NA-001, Bahamas, 16 – 26 July 2022, as C6ADX and C6AYL., C6ADX C6AYL…

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Scandinavian Activity Contests 2022-CANCELLED

The SAC Contest Committee has unanimously decided to cancel this year’s two sections of the Contest. Our decision has been made due to the ongoing…

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Focus sulle più popolari piattaforme hardware: know-how e criticità della progettazione elettronica

L’impiego di piattaforme hardware popolari in contesti hobbistici e industriali è sempre più diffuso. Soprattutto nell’ultimo decennio sono state sviluppate diverse piattaforme hardware orientate alle…

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ICOM IC-V3500 – 144 MHz FM – 65 W

ICOM IC-V3500 65 W Powerful RF Output Power The Icom IC-V3500 is a rugged 2 m mobile transceiver providing powerful 65 W* of output power….

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Graphical Frequency Allocations [ QST: Ask Dave August 2022 ]

Graphical Frequency Allocations Download and print PDF documents using Adobe Reader. Frequency Bands Chart [PDF] (8.5 X 11; grayscale) Frequency Bands Chart [PDF] (8.5 X 11; black/white) Frequency Bands Chart [PDF] (8.5 X 11; color)…

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Buddipole Buddistick Pro HF Antenna – Review

Buddipole Checking out the Buddipole Buddistick Pro. A 40m-6m L dipole antenna for ham radio. Designed as a multi-band, portable antenna for 40m – 6m,…

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LEO BODNAR GPSDO With the Adalm Pluto SDR

Here we take a look at how we use the Leo Bodnar GPSDO Mini with the Adalm Pluto to fix any frequency drift. Mini Low…

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Where do I put Ground Rod, Lightning Protectors, etc.?

Steve, W1SWE, would like some advice on what coax to use and where the best spot for the Grounding Rods and Lightning Arrestors is. Antenna…

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Progettiamo una Sensor Network per i parametri ambientali – Parte 2

Nell’ultimo decennio si sono sviluppate moltissime piattaforme hardware orientate all’Internet of Things in tutte le sue forme ed applicazioni: domotica, monitoraggio, applicazioni industriali, automotive e…

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Video: CRT SS7900V Turbo

Video:YouTube/Scott’s Radios Another video from Scott’s Radios featuring the new CRT SS7900 Turbo. You will see how good the adjustable Noise Reduction Circuit is on…

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D2TX Angola. From DXNews.com

Bernie, ZS4TX will be active from Angola 12-16 August 2022., D2TX Angola. From DXNews.com, ,