Thousands of Amateur Radio Operators Measured the Solar Eclipse’s Effects on the Atmosphere

Astronomers and space fans may have set up lawn chairs outside to watch the eclipse, but Nathaniel Frissell set up his ham radio. As the sky dimmed and daylight turned into an uncanny dusk, the reports started coming in: Communication was dying off over the 20 meter (14 MHz) radio band. Read More >>

Here’s How to Call the International Space Station

Last week, amateur radio enthusiast Adrian Lane sent a call signal to the International Space Station. To his shock and delight, he got a reply. He chatted with an astronaut for about 45 seconds before the station went out of range. Read More >>