Frequency selective levelmeters, also known as frequency selective voltmeters, are commercially-built receivers used in the power utility industry for maintenance and troubleshooting. They have been ...

Ham radio operators are sounding the alarm over the latest threat to their beloved hobby—and this time, it is coming from Wall Street. A group of high-frequency trading firms is asking the Federal ...

Just when one might think there's nothing new in the world of ham radios, along comes digital, and it's being embraced due to its flexibility and is less bulky. Ham radio is a popular term for ...

SCARBOROUGH — While other people were paddling, swimming and biking over the weekend, some dedicated hams were huddled over their radios for a marathon test of emergency communication skills. They ...

Across Alabama, emergency communications systems fell silent this week when tornadoes knocked down antennas and cell phone towers. Amateur radio operators are helping to restore emergency ...

Well before the days of the tweet and the status update, people communicated with each other over sweeping distances by quite literally harnessing the earth's magnetic field to send messages via radio ...

SUMTER, S.C. (AP) - When Hurricane Hugo devastated South Carolina in 1989, emergency personnel turned to ham radio operators to stay in touch with isolated communities and the outside world. It is a ...