Using this knowledge, a group of ham radio operators used the October 14 solar eclipse to crowdsource an experiment, as part of the Ham Science Citizen Investigation (HamSCI) community.

Ham radio operators are expected to be able to perform in the event of an emergency. That usually involves serious weather.

This annual event brings together around 40,000 amateur radio operators nationwide to simulate emergency conditions. Participants communicate using only generators and solar power, demonstrating ...

"Mariners, aviators, and ham radio operators may have noticed unusual propagation effects at frequencies below 30 MHz," it added. Coronagraph images from the Solar and Heliospheric Observatory ...