Anno: 2020
Firmware 2.0 #03 – Wireless/RF
E’ uscito il quarto numero di Firmware 2.0. Il focus di questo mese è dedicato al settore Wireless/RF. All’interno troverete articoli tecnici su guida alle…
Video 5K0K San Andres DX Pedition. From DXNews.com
Video 5K0K San Andres Island DX Pedition 2019., Video 5K0K San Andres DX Pedition. From DXNews.com, ,
5K0K San Andres Island. From DXNews.com
5K0K Team will be active from San Andres Island, IOTA NA – 033, 15 – 30 October 2019., 5K0K San Andres Island. From DXNews.com, ,
With sadness we report Marc’s death, ON5OT – OT5A
With sadness we report Marc’s death, ON5OT. Marc was one of the driving forces behind the contest station OT5A in Lier. His knowledge and drive…
FCC Adopts a New Official Seal in Anticipation of Relocation
In anticipation of its upcoming move, the FCC has adopted a new FCC seal. The redesigned seal is the product of an agency-wide contest that…
Free sample Radcom Magazine
Read May 2020 RadCom completely for free—just tap or click the cover below Why not join the RSGB? As well as the print and online…
Guida alle modulazioni parte III: le modulazioni impulsive
Dopo aver trattato le modulazioni analogiche di portante analogica e quelle numeriche di portante analogica, concludiamo la trilogia di articoli dedicati agli schemi di modulazione,…
FCC is crystal clear: Remote ham radio licensing exams are absolutely permitted
In the wake of the Coronavirus pandemic, amateur radio VECs in the US have been experimenting with remote testing sessions–meaning, administering ham radio license exams…
MFJ 828 Digital SWR / Wattmeter
VHF An amazing 3866.47 KM on 144MHz SSB between D4VHF and J69DS [ VIDEO] April 15, 2020 No comments An amazing 3866.47 KM on SSB…
Beyond Exams resources launched by the RSGB
Beyond Exams (BE) is a group of resources brought together by the RSGB Learning Team with the aim of encouraging participation and highlighting the diversity…
SteppIR CrankIR Portable Antenna Review
News FCC is crystal clear: Remote ham radio licensing exams are absolutely permitted April 30, 2020 No comments In the wake of the Coronavirus pandemic,…
DOAAF-85 (RS-44) amateur radio transponder activated
The amateur radio linear transponder (SSB/CW) payload on the Russian satellite DOSAAF-85 (RS-44) has been activated. Dmitry Pashkov R4UAB reports: The satellite is named after the…
ESP32-Cam: una time-lapse camera da soli 6$
ESP32 nelle sue varianti, incluso ESPErtino ormai le conosciamo. Sappiamo bene pro e contro di queste schede, ma ce n’è una nuova che include un…
Guida alle modulazioni parte II: le modulazioni numeriche
Prosegue la nostra carrellata sugli schemi di modulazione, iniziata con il primo articolo focalizzato sulle modulazioni analogiche di portante analogica. In questo articolo, invece, vedremo…
Reference Station Power Distribution West Mountain Radio 4006U
The RIGrunner 4006U can deliver up to 40 amps total through 6 outlets and includes a dual USB socket for charging all your portable devices…
Valutazioni dei rischi per il successo dell’IoT a lungo termine
Combinando sensori periferici, gateway e risorse cloud, le applicazioni Internet of Things (IoT) stanno diventando obiettivi senza precedenti a causa del numero di potenziali superfici…
Floureon FC200 BNC Modification
Video:YouTube/David Chamberlain Something interesting that I’m sure many people have wondered about. How do you fit an external antenna to your Floureon FC200 PMR radio?…
Buon compleanno 425 DX News!
425 DX News (dal 2005 il Bollettino DX dell’ARI) trae origine da un gruppo di radioamatori del triangolo Milano-Genova-Torino che negli Anni Ottanta del secolo…
Japan’s 7-CALL Amateur Radio Club Celebrates Anniversary with Unique Call Sign Prefix
The 7-CALL Amateur Radio Club (JS1YEY) based in Tokyo is celebrating its 30th anniversary with a special event station, using the call sign 8J17CALL. This is a…
Two solar cycles are active at once
Today, there are two sunspots in the sun’s southern hemisphere. Their magnetic polarity reveals something interesting: They come from different solar cycles. Take a look…
ADALM PLUTO Full Duplex Software Defined Radio
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…
Robotica soft: come i robot ispirati dalla natura possono aiutarci
Siamo abituati in generale a vedere i robot come figure molto meccaniche e non di certo flessibili in termini di movimenti. Spesso risultano abbastanza “scattosi”…
OPAMP e segnali video: progetto e dimensionamento
Bentornati a questo nostro appuntamento con la progettazione e con i segnali video. Ci siamo lasciati la scorsa volta con alcuni interrogativi inerenti i segnali video. Ci siamo…
SV2RSG/A Mount Athos. From DXNews.com
Monk Iakovos, SV2RSG/A will be active from Mount Athos, 7 – 10 May 2020., SV2RSG/A Mount Athos. From DXNews.com, ,
Radio Amateur Finds Another “Zombie Satellite”
British Columbia radio amateur Scott Tilley, VE7TIL, has found another “zombie satellite,” as he calls them. This time, he tracked and identified radio signals from…
