Author: iz4wnp
Long-Lost U.S. Military Satellite Found By Amateur Radio Operator
There are more than 2,000 active satellites orbiting Earth. At the end of their useful lives, many will simply burn up as they reenter the…
UN International Center in Vienna Joins Stay-at-Home Movement
The Vienna International Center in Austria has authorized the call sign 4U2STAYHOME for use by the Vienna International Amateur Radio Club, which normally identifies as…
Solar Panel installations cause RF interference in Switzerland
The USKA report the magazine Photovoltaik carries an article about the interference solar panel installations cause to radios A translation of the USKA post says: What we…
First Remote Foundation Exam held in Australia
Author : Robert Broomhead – VK3DN Monday night, April 20th was a historical moment for the WIA. The unique significance is that the two WIA members…
Proteggi i tuoi progetti IoT dagli attacchi invasivi con la tecnologia PUF
Se stai seguendo le iniziative di Arm, nei prossimi anni andremo verso un trilione di dispositivi connessi. Tuttavia, molti esperti del settore hanno notato che…
A Solar Storm, Comets ATLAS & SWAN, and a Shower | Space Weather News 04.23.2020
Antenna DX Commander Expedition Portable Antenna April 23, 2020 No comments A first look at the Portable version of the world famous DX Commander vertical…
DX Commander Expedition Portable Antenna
A first look at the Portable version of the world famous DX Commander vertical antenna for Ham Radio. News Buyer Alert! Do you know how…
Stm32WL: la nuova piattaforma SOC LoRa
Il nuovo SOC che permette di realizzare progetti con la tecnologia LoRa. STM32WL è il nuovo system on a chip di STMElectronics che integra al…
Digital Signal Processor: la tecnologia digitale applicata all’analisi dei segnali
L’elaborazione numerica dei segnali, di qualunque natura essi siano, rappresenta senza ombra di dubbio una delle tecnologie che hanno riscosso il maggiore successo ed attenzione…
A91WTIS Bahrain. From DXNews.com
A91WTIS Team will be active from Bahrain, 10 – 17 May 2020, for World Telecommunication and Information Society Day., A91WTIS Bahrain. From DXNews.com, ,
New NOAA Updates Solar Cycle 25 Prediction
Frank Donovan, W3LPL, notes that the National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center (SWPC) has published its official updated prediction of Solar…
Buyer Alert! Do you know how to spot a counterfeit BF-F8HP?
BF-F8HP and Counterfeits: Their differences and how to spot a counterfeit BF-F8HP The BaoFeng BF-F8HP has been an extremely popular entry-level amateur radio ever since its debut….
Nomination Deadline Extended for Philip J. McGan Memorial Silver Antenna Award
In light if the coronavirus pandemic, the ARRL Public Relations Committee has extended the nomination deadline for the Philip J. McGan Memorial Silver Antenna Award until Monday,…
Organize Your Ham Radio Shack With Mic Booms & Switches
News Buyer Alert! Do you know how to spot a counterfeit BF-F8HP? April 22, 2020 No comments BF-F8HP and Counterfeits: Their differences and how to…
Ham Radio Remote Testing with Anchorage VEC | Online Testing
Ham Radio Remote Testing has been a reality since 2014 for the Anchorage, AK VEC Team. Today I get to sit down with…
Microcontrollori low power: come scegliere
In questo articolo affronteremo delle considerazioni di base sui microcontrollori, volte a confrontare e scegliere tra i diversi modelli disponibili sul mercato. Il risparmio energetico è…
Contest University (CTU) 2020 will be Free and Online
Tim Duffy, K3LR, has announced that Contest University (CTU) USA 2020 will be held online via Zoom on Thursday May 14, starting at 1245 UTC….
Hams in India Provide Communication Assistance during COVID-19 Pandemic
According to a report in The New Indian Express, amateur radio operators in Kerala state have joined the fight against COVID-19. The newspaper said the district administration has…
SURPRISE GEOMAGNETIC STORM
The first geomagnetic storm of 2020 (category G1) took forecasters by surprise on April 20th when a CME hit Earth’s magnetic field, sparking bright auroras over Canada and…
Japan and 160m band
In JA, the following frequency ranges were permitted by the Ministry of Internal Affairs and Communications today (21 Apr. 2020) . 1800kHz – 1810kHz (All…
8J17CALL by 7-CALL Amateur Radio Club, Japan
Hello! This is 7M4VQJ, Satoshi from Tokyo. I am a president of 7-CALL Amateur Radio Club (JS1YEY), Tokyo based club station organized by 7-CALL amateurs. Firstly, I wish…
Spread Spectrum Vs. Narrow Band
Fissato il rapporto segnale rumore, l’aumento della banda di un canale trasmissivo migliora le prestazioni e l’immunità degli errori nel canale. Il principio dello Spread…
Arduino: come usare un solo pin per input multipli
Se non lo sapessi, è possibile usare un solo pin di Arduino come sorgente di diversi input. In altre parole: puoi usare un solo pin…
Linee guida per la progettazione di un’antenna per tag NFC
La tecnologia NFC (Near Field Communication), già presente sul mercato da alcuni anni, identifica un sistema di trasmissione dati senza contatto basato sullo standard RFID…
8J1RL Showa Research Station. From DXNews.com
8J1RL will be active from Showa Research Station, Queen Maud Land, IOTA AN – 015, until January 2021., 8J1RL Showa Research Station. From DXNews.com, ,
