Reports of Knacksat CubeSat Reception Requested
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Reports of Knacksat CubeSat Reception Requested

The Knacksat 1U CubeSat launched on December 3 by a SpaceX vehicle may be in safe mode. The Knacksat project team at King Mongkut’s University of Technology-North…

Filtro RC per alimentatori Switching
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Filtro RC per alimentatori Switching

Come usare un filtro LC a due stadi per ridurre il rumore di un regolatore switching. Nella maggiore parte delle applicazioni gli alimentatori switching trovano oggi largo impiego. Tra i vantaggi…

Emergency Grid Down Communications Winter Edition
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Emergency Grid Down Communications Winter Edition

“Hello Operators Extreme weather and grid down disasters seem to be happening more often, and with greater intensity. More often than not, when we organize…

Progettare con i dispositivi PSoC5
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Progettare con i dispositivi PSoC5

Per supportare le nuove famiglie PSoC3 e PSoC5, Cypress ha sviluppato tempo fa il nuovo ambiente IDE PSoC Creator. Scopriamo come funziona. PSoC Creator è il nuovo ambiente…

NEW Midland 42 DS CB Handheld @ Moonraker
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NEW Midland 42 DS CB Handheld @ Moonraker

Thunderpole, here in the UK, have the new Midland 42 DS (Digital Squelch) CB radio handheld in stock, at the very reasonable price of £119.99…

New Technical Requirements in Bulgaria
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New Technical Requirements in Bulgaria

Today, January 18th, New Technical Requirements has been published from Bulgarian Ministry of Communication.  Thanks to the great commitment of BFRA now Bulgarian Amateurs have obtained…

Es’hail-2 live ! TRANSPONDER TESTS
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Es’hail-2 live ! TRANSPONDER TESTS

Es’hail 2 was launched last November and it is the first geostationary satellite to contain an amateur radio transponder. The satellite is positioned at 25.5°E which is over…

Simulink
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Simulink

Simulink è uno strumento che opera in ambiente Matlab, è un potente strumento interattivo per la modellazione, simulazione ed analisi dei sistemi dinamici. Il suo ambiente di sviluppo grafico…

CPU Design: Una cache per tutti i gusti
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CPU Design: Una cache per tutti i gusti

“Cache”, in inglese, significa letteralmente “nascondiglio segreto”, o “scorta segreta”. In generale, fa pensare ad un luogo piccolo in cui mettere al sicuro oggetti di…

NEW Quad Band Wouxun KG-UV980PL
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NEW Quad Band Wouxun KG-UV980PL

Another new radio from Wouxun in a familiar container. This is the Wouxun KG-UV980PL and it’s great to see another radio which includes the 4m…

The Big Net – Celebrating FIVE Years of Legal AM and SSB
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The Big Net – Celebrating FIVE Years of Legal AM and SSB

Something to look forward to this summer, another chance to celebrate UK CB radio…. On 27th June it’s the return of The Big Net, celebrating…

DX Engineering – RXSHARE Audio Switch DXE-RXSHARE
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DX Engineering – RXSHARE Audio Switch DXE-RXSHARE

Audio Switch, Control Box, Independent Selection of Audio from One or Two Transceivers to Two Headphones, Passive Device, Each DX Engineering RXSHARE Audio Switch Multi-operator…

“Life Above 50 MHz” [ ARRL PODCAST ]
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“Life Above 50 MHz” [ ARRL PODCAST ]

 “Life Above 50 MHz” is the topic of the new (January 17) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored…

Museum Spotlights Mics and More
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Museum Spotlights Mics and More

Bob Paquette Photo Opportunity Fairview Photography Studio News Museum Spotlights Mics and More January 17, 2019 in: News No comments Bob Paquette Photo Opportunity Fairview…

Ham Radio Deluxe 6.5.0.183 Released
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Ham Radio Deluxe 6.5.0.183 Released

Ham Radio Deluxe “The 6.5.0.183 version of Ham Radio Deluxe is now available for download. Please download it from the Download pages on our website…

Bosch presenta il sensore intelligente di rilevamento della posizione
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Bosch presenta il sensore intelligente di rilevamento della posizione

Il rilevamento della posizione di un dispositivo può essere un’attività che richiede molto tempo, soprattutto quando si cerca di mantenere l’accuratezza. Mentre il GPS è…

Corso C avanzato su Raspberry PI: La ricorsione
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Corso C avanzato su Raspberry PI: La ricorsione

L’oggetto della sesta lezione del corso avanzato sul linguaggio C per Raspberry Pi è la ricorsione. Una strana e misteriosa argomentazione che rischia, spesso, di…

Uniden SDS200 – Analog & Digital [ VIDEO ]
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Uniden SDS200 – Analog & Digital [ VIDEO ]

Overview Introducing the SDS200, Uniden’s latest and most advanced base/mobile digital trunking scanner. The SDS200 incorporates the latest True I/Q receiver technology, which provides the…

December YOTA Month Activity Records More Than 80,000 Contacts
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December YOTA Month Activity Records More Than 80,000 Contacts

More than 80,000 contacts went into logs at YOTA suffix stations and others participating in December Youngsters on the Air (YOTA) Month, with most operations…

Retevis RT84 Dual Band DMR Handheld Review
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Retevis RT84 Dual Band DMR Handheld Review

“A new dual band DMR HT is on the market from Retevis, with a model number of RT84. In this video, we try to load…

AMSAT Announces 50th Anniversary Awards Program
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AMSAT Announces 50th Anniversary Awards Program

AMSAT has announced its 50th Anniversary Awards Program, to help celebrate 50 years of keeping Amateur Radio in space. Satellite and HF contacts can help…

Potenza a bassissimo rumore
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Potenza a bassissimo rumore

Come ottenere il massimo da un convertitore DC/DC in termini di potenza, minimizzando allo stesso tempo le emissioni elettromagnetiche. Gli alimentatori DC/DC, grazie all’elevata efficienza e alle dimensioni ridotte, sono il sistema di conversione…

Introduction to the IC-9700 – VIDEO

Video:YouTube/Icom Icom UK take a look at their new transceiver, the IC-9700 • All mode, tri-band transceiver covering 144 MHz, 430 MHz as well as…

Controllo del ripple con il Kinetis M
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Controllo del ripple con il Kinetis M

Il controllo del ripple (o ondulazione residua) è un metodo utilizzato per controllare l’entità di un carico elettrico, ed è attualmente utilizzato in numerosi paesi…

Court Rules Excessive Antenna Application Fees Violated Reasonable Accommodation
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Court Rules Excessive Antenna Application Fees Violated Reasonable Accommodation

Long-pending Amateur Radio antenna litigation that ARRL helped to fund has finally borne fruit. The Supreme Court of the State of New York, Appellate Division:…