Giorno: 28 Gennaio 2021
Da ROHM Semiconductor i primi circuiti integrati del settore per la rilevazione di Zero Cross-Riduzione della perdita di potenza indesiderata
ROHM Semiconductor ha sviluppato una soluzione integrata per la rilevazione di zero cross per alimentatori negli apparecchi domestici quali lavatrici e frigoriferi. La soluzione offre…
ZF2LC Cayman Islands. From DXNews.com
W2SM is currently active from Cayman Islands as ZF2LC., ZF2LC Cayman Islands. From DXNews.com, ,
VK9IR Mellish Reef. From DXNews.com
VK9IR Team will be active from Mellish Reef, OC-072, in October 2021., VK9IR Mellish Reef. From DXNews.com, ,
VK9HR Willis Island. From DXNews.com
VK9HR Team will be active from Willis Island, OC-007, in October 2021., VK9HR Willis Island. From DXNews.com, ,
CHESS CubeSat Constellation to Carry FUNcube Transponders
In 2020, a project between AMSAT-UK, AMSAT-NL, and Swiss universities got under way with the aim of equipping two Swiss satellites — for now under…
How Antenna Traps Work
How Antenna Traps Work Antenna 20m/40m Stealth Bazooka Flagpole Antenna November 25, 2014 No comments No longer does the Amateur Radio Operator need…
2021 Propagation Summit Session Recordings Available
YouTube recordings and PDF files from the 2021 Propagation Summit hosted on January 23 by Contest University are available. More than 1,000 logged in for the sessions….
Make a mains filter for EMC & noise reduction
This video shows how I have made a mains filter that is extremely effective in reducing and in some cases eliminating completely EMC from the…