Author: iz4wnp
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…
Emergency Ventilator Designed and Constructed by Hams Going to FDA
Radio amateurs have succeeded in providing a complete, working ventilator system to University of Florida researchers who are in the process of applying to the…
RigExpert TI-3000 USB Transceiver Interface, HF Digital Modes, FT-8/FT-4/PSK
TI-3000 RigExpert TI-3000 is a new and powerful USB transceiver interface based on high-quality stereo codec IC, for operating phone, CW and digital modes using…
Yaesu on April 27, 2020, introduced a network remote control system LAN unit “SCU-LAN10”
Yaesu Radio Co., Ltd., on April 27, 2020, introduced a network remote control system LAN unit “SCU-LAN10” that enables remote operation by connecting its HF…
Happy birthday, Samuel Morse!
On January 6, 1838, Samuel Morse’s telegraph system is demonstrated for the first time at the Speedwell Iron Works in Morristown, New Jersey. The telegraph, a…
ZigBee Pro: più prestazioni e sicurezza
Lo standard ZigBee, introdotto nel 2004, è stato in seguito sviluppato e migliorato. L’ultima revisione, che presentiamo in questo articolo, è conosciuta come ZigBee Pro. Fin dalla pubblicazione…
UK PMR Net – Every Sunday
Following on from a very successful event last Sunday the organisers of the UK PMR net have announced it will now take place every week….
Performance & Range Testing Extra Long Tactical Foldable Antennas Vs Stock Antennas!
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…
QRPVer Minion SDR First Impressions
SSB SDR transceiver is a shortwave, ten band, multi band. QRPver Minion-SDR. This is a compact ten-band shortwave QRP SDR transceiver (1.8, 3.5, 5, 7,…
First remotely-invigilated exam call signs issued
The RSGB is pleased to announce that the first successful candidates in the online, remotely-invigilated amateur radio exams have now received their call signs. At…
