Part Emergency Communications drill and part informal competition, amateur radio Field Day encourages ham radio operators across the U.S. and Canada to test their equipment and skills.

It is midday on Saturday, and a half-dozen members of WACOM (Washington Amateur Communications), an amateur radio club, are ...

For Darrell Horst of Woodland, his private radio is not just a fun hobby but also a valuable service in case of emergencies.

Direct-current (DC) power distribution has been used ever since electric grids were invented, but, for the last century, low-voltage dc has been largely limited to a variety of niche applications such ...

Is high-voltage DC (HVDC) the future of power distribution in data centers? If so, power-supply designers will have to work through a lot of challenges to make it a reality.

The Tehachapi Amateur Radio Association is excited to host its annual Summer Field Day, taking place June 27 to 29 at Bear Valley’s High Country Park. This nationally recognized event serves as both a ...

DC Police have been attempting to talk him down from the tower, owned by radio station WAMU-FM. At one point yesterday morning, the man had agreed to come down, but then chose to remain. The police ...

GENEVA (AP) — Millions of dollars due to soccer club CSKA Moscow from West Ham will stay unpaid while financial sanctions are imposed by the British government during the Russian ...

It is more compact version of existing "Ham Radio" magazine collections. The purpose of creation of the version was to preserve all technical informations, keeping small files size and - due to the ...

The primary focus of this paper is to discuss the modeling of jitter caused by power supply noise (PSN), named power supply induced jitter (PSIJ). A holistic discussion is presented from the basics of ...

The National Capital Radio & Television Museum isn’t free (admission is $7 for most, $5 for seniors, students, and Bowie residents) and is open only on Fridays, Saturdays, or Sundays. But it ...

Before you streamed everything, there was this: The National Capital Radio & Television Museum spotlights how airwaves have changed our lifestyles, from a 1921 DIY crystal radio kit made out of a ...