Mese: Luglio 2019

N Female Connector Installation (10mm /.400″ Coax)
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N Female Connector Installation (10mm /.400″ Coax)

Review N Female Connector Installation (10mm /.400″ Coax) July 18, 2019 No comments Read more Chameleon MPAS 2 NVIS (Near Vertical Incidence Skywave) Antenna July…

Programmazione Multicore
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Programmazione Multicore

La sempre più prepotente diffusione di sistemi multicore pone in evidenza il problema di una programmazione dedicata. La domanda è: sarà facile o difficile scrivere software per sistemi multicore? Proviamo…

Award for Top Homebrew Designers in Amateur Radio Announced
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Award for Top Homebrew Designers in Amateur Radio Announced

The ICQ Podcast has announced a partnership to establish an annual “Homebrew Heroes Award” to recognize individuals, groups, or organizations that help to define the frontiers in…

Calterah collabora per il lancio di chipset per radar destinati alle automobili di nuova generazione
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Calterah collabora per il lancio di chipset per radar destinati alle automobili di nuova generazione

Calterah (con la collaborazione della Keysight) ha ufficialmente rilasciato la famiglia di chip ALPS che integra convertitori analogico-digitale ad alta velocità e core CPU ad…

RM Italy MLA100 Amplifier Demonstration
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RM Italy MLA100 Amplifier Demonstration

“Mark, W8BBQ show the RM Italy MLA100 amplifier to get over 100 watts from a QRP rig. 160 meters through 10 meters plus 6 meters….

Major WSJT-X Upgrade Boosts FT4 into “a Finished Protocol for HF Contesting”
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Major WSJT-X Upgrade Boosts FT4 into “a Finished Protocol for HF Contesting”

The WSJT Development Group has announced the “general availability” release of WSJT-X version 2.1.0. This major upgrade formally introduces FT4 as a finished protocol for HF contesting. WSJT-X version 2.1.0 supplants…

International Telecommunication Union Accepts EURAO as a Sector Member
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International Telecommunication Union Accepts EURAO as a Sector Member

The International Telecommunication Union (ITU) accepted the European Radio Amateurs’ Organization (EURAO) as a sector member at the recent meeting of the ITU Council. It…

No Consensus Reached for FCC on “Symbol Rate” Issues
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No Consensus Reached for FCC on “Symbol Rate” Issues

ARRL-initiated efforts for rival parties to reach consensus on some of the issues they raised in the so-called “Symbol Rate” proceeding have ended. In April,…

VHF Newsletter 83 – New VHF Handbook
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VHF Newsletter 83 – New VHF Handbook

The latest edition of the VHF Newsletter has been mailed to all on the VHF mailing list and can be found here. The new version of the…

Come realizzare un semplice ricevitore in Onde Corte
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Come realizzare un semplice ricevitore in Onde Corte

Oggi la tecnologia ci mette a disposizione tantissimi metodi, estremamente efficaci, per collegare vari punti sulla Terra, magari collocati a grandissima distanza tra loro. Collegamenti…

Microprocessori ARM NXP
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Microprocessori ARM NXP

Vediamo le caratteristiche dei microprocessori ARM. In particolare ci soffermeremo su quelli della NXP Semiconductors. L’architettura ARM (precedentemente Advanced RISC Machine, prima ancora Acorn RISC Machine) indica…

WSJT-X 2.1.0 is available!
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WSJT-X 2.1.0 is available!

WSJT-X 2.1.0 Description WSJT-X implements communication protocols or “modes” called FT4, FT8, JT4, JT9, JT65, QRA64, ISCAT, MSK144, and WSPR, as well as one called Echo for detecting and measuring your own radio signals reflected…

President McKinley EU Adjustments
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President McKinley EU Adjustments

Below we have the various adjustments on the new President McKinley EU radio…..  PROVIDED FOR INFORMATION ONLY – FIDDLE WITH YOUR RADIO AT YOUR OWN…

CS800D
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CS800D

CS800D Test Report FCC PART 22, FCC PART 90 TEST REPORT For SHENZHEN COVALUE COMMUNICATIONS CO.,LTD. Product Description for Equipment under Test (EUT) EUT Name:…

Traslatori di Livello digitali
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Traslatori di Livello digitali

Una rassegna d’interfacce digitali nella Babele delle tensioni di alimentazione dei moderni circuiti logici. C’erano una volta i Circuiti Logici TTL, realizzati completamente con transistor…

Clear Frequencies Requested for Storm Emergency Traffic
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Clear Frequencies Requested for Storm Emergency Traffic

Storm Emergency Traffic IARU HF Championship Contesters: The Hurricane Watch Net (HWN) is active on 14.325 MHz and 7.268 MHz in response to Category 1 Hurricane Barry….

New Ranger CB Radio TRE-936FFB
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New Ranger CB Radio TRE-936FFB

TEXAS RANGER ELITE TRE-936FFB 40 Channel AM CB Radio with Frequency Counter For over 40 years, Ranger Communications has built the world’s best amateur and…

Progettazioni secondo normative
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Progettazioni secondo normative

Affinché un sistema elettronico sia certificato, è necessario il rispetto, in fase di progettazione, di numerose normative. Ecco un esempio pratico di progettazione per un sistema di alimentazione per…

3. LDMOS HF AMPLIFIER 100W INPUT 2400W OUTPUT BLF188XR 2 PCS 1.8-54 MHZ
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3. LDMOS HF AMPLIFIER 100W INPUT 2400W OUTPUT BLF188XR 2 PCS 1.8-54 MHZ

LDMOS HF amplifier 90W  input 2400W CW SSB output  1.8-54 MHzThis a ready power amplifier. You will need a case and power supply only!Water-cooled hermetically. You can…

10-40M 100W Base Loop setup video
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10-40M 100W Base Loop setup video

Digital Modes Prof Dr Joe Taylor, K1JT: Welcome Address and Questions & Answers July 04, 2019 No comments Read more World Wide Digi DX Contest…

FAA Reauthorization Act Language Serves to Exclude Vast Majority of Amateur Radio Towers
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FAA Reauthorization Act Language Serves to Exclude Vast Majority of Amateur Radio Towers

Language in the Federal Aviation Administration (FAA) Reauthorization Act of 2018 will exclude all but a small number of Amateur Radio towers from marking requirements. Thanks to…

HWN, WX4NHC at National Hurricane Center to Activate for Tropical Storm Barry
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HWN, WX4NHC at National Hurricane Center to Activate for Tropical Storm Barry

Responding to Tropical Storm Barry, the Hurricane Watch Net (HWN) and WX4NHC— the Amateur Radio station at the National Hurricane Center (NHC) in Miami — have…

New Hope for the Coming Cycle | Space Weather News 07.12.2019
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New Hope for the Coming Cycle | Space Weather News 07.12.2019

News 10-40M 100W Base Loop setup video July 12, 2019 in: News No comments Read more FAA Reauthorization Act Language Serves to Exclude Vast Majority…

LED bianchi: pilotarli a corrente costante
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LED bianchi: pilotarli a corrente costante

In questo articolo si parlerà di LED bianchi, del perché pilotarli a corrente costante e si metteranno a confronto sei diversi LED di due marchi. L’obbiettivo è capire pregi e difetti dei…

Li-Fi – Un percorso “luminoso” per la trasmissione dati ad alta velocità
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Li-Fi – Un percorso “luminoso” per la trasmissione dati ad alta velocità

Risorsa indubbiamente preziosa, lo spetto radio, ovvero la parte dello spettro elettromagnetico utilizzato per le comunicazioni wireless, si sta rapidamente affollando. Non c’è voluto molto…