Airspy HF+ Discovery is the Most Refined HF/VHF SDR
The Airspy HF+ Discovery sets a new standard in terms of reception performance with extra pre-selectors for all the supported bands and a New DSP…
Dayton Hamvention Announces its 2021 Theme — “The Gathering”
“The Gathering” will be the theme for the 2021 Dayton Hamvention®. Hamvention General Chair Rick Allnutt, WS8G, said the theme reflects what has been missing from…
Still Time to Apply for Foreign Service Information Management Technical Specialists-Radio Positions
The deadline to apply for US Department of State Foreign Service Information Management Technical Specialists-Radio (IMTS-R) positions is December 1, 2020. Foreign Service IMTS-Rs design,…
Le soluzioni Arduino per il settore educational di TME Electronic Components
La progettazione embedded è da sempre un processo complesso e articolato, che richiede competenze elettroniche trasversali, legate alla codifica, ai linguaggi di programmazione e all’hardware….
Far field
Tutta una serie di considerazioni in merito ad antenne e relativi parametri si riferiscono al far-field, il campo lontano. È noto che in vicinanza dell’antenna…
Sistemi multicontrollori Master/Slave
La crescente domanda di prestazioni funzionali spinge i costruttori di apparecchiature elettroniche all’impiego di architetture multicontrollore. La gestione delle operazioni viene demandata a due o…
GU4CHY Guernsey Island. From DXNews.com
Dick, GU4CHY will be active from Guernsey Island, IOTA EU – 114, in CQ WW DX CW Contest, 28 – 29 November 2020, as GU4CHY.,…
Ham radio & 3D printing – A very portable table stand for the Icom IC-705.
Ham radio & 3D printing – A very portable table stand for the Icom IC-705. Antenna Antenna Fundamentals 1 Propagation [ Video ] June 01,…
Moscow Aviation Institute plans SSTV event from ISS
Rodolfo Parisio, IW2BSF, reports that a Slow-Scan Television (SSTV) transmission event from the International Space Station is currently scheduled to begin on Tuesday, Dec. 1…
Universal Radio is closing shop
Dear Friends Of Universal Radio, Time waits for no one, and that includes Barbara and myself. We have decided to retire and our current location…
Purifichiamo l’ambiente con gli ioni negativi
Una delle soluzioni più semplici per purificare l’aria è quella dell’utilizzo degli ioni negativi. Essi sono estremamente numerosi in alta montagna o al mare, dove…
8Q7ZO 8Q7NV Maldives. From DXNews.com
8Q7ZO Team will be active from Maldives, IOTA AS – 003, in CQ WW DX CW Contest, 28 – 29 November 2020., 8Q7ZO 8Q7NV Maldives….
Chameleon F-Loop TOTAL! Kit and CHA Single Loop
Chameleon F-Loop TOTAL! Kit and CHA Single Loop The CHA F-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in…
Small Circuits Revival – Relè ad alta efficienza energetica
I circuiti relè discussi in questo articolo possono essere collegati in serie con un carico (lampada) e una serie di pulsanti normalmente chiusi. Quando uno…
5T7OO Mauritania. From DXNews.com
Tom, DL7BO informs dxnews.com that he will be active as 5T7OO from Mauritania., 5T7OO Mauritania. From DXNews.com, ,
Uno sguardo alle tecnologie del domani: il GPGPU e CUDA
Negli ultimi anni, il paradigma noto come GPGPU (General Purpose computing on Graphics Processing Units) ha rivoluzionato l’approccio ai problemi di High-Performance Computing (HPC), in…
Arizona Congresswoman Introduces National Amateur Radio Operators Day Resolution
US Representative Debbie Lesko of Arizona has introduced a resolution designating April 18, 2021, as National Amateur Radio Operators Day, to recognize the important contributions of amateur…
Facing collapse, the famed Arecibo Observatory will be demolished
The failure of two main cables sealed the observatory’s fate By Loren Grush The world-famous Arecibo Observatory in Puerto Rico, known for helping scientists peer into…
Fast Fourier Transformation: riconosciamo un DTMF
FFT è l’acronimo di Fast Fourier Transform, ovvero trasformata di Fourier veloce. Chiunque si sia mai cimentato nel signal processing conosce bene l’importanza di questo…
Il linguaggio D: tante potenzialità in più (Parte 2)
Continuiamo la nostra rapida esplorazione sul linguaggio D, sperando di aver svegliato la curiosità dei programmatori. In questa seconda e ultima puntata verranno analizzati alcuni…
Clear Frequencies Requested for Caribbean Hurricane Emergency Traffic
Stations handling emergency traffic during the response to Category 5 Hurricane Iota, just off the eastern coast of Nicaragua, are requesting clear frequencies. Radio amateurs…
Scheda di controllo per relè a 9 canali
Molte situazioni richiedono spesso l’accensione o lo spegnimento di più dispositivi singoli da una postazione centrale come, ad esempio, una sala di controllo. L’installazione di…
LZ DX Contest
Organized ByBulgarian Federation of Radio Amateurs Date and periodThe weekend before the last full weekend of November (the weekend before CQWW CW contest weekend) from…
CQ WPX Contests Add New “Multi-Transmitter Distributed” Category, Remove Single-Op Unassisted Categories
Sayville, NY – November 16, 2020) – A new “Multi-Transmitter Distributed” category is being added to the CQ World Wide WPX Contests to better accommodate…
YAESU FT-DX10 Update and SDR Chat
Here are some great photos of the new FT-DX10 plus a chat about SDR. ESTIMATED DECEMBER 2020 The New Yaesu Ftdx10 UK VERSION COVERS 4m…
