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NASA Science Solar Eclipse Opportunity

October 14

Ham Radio Operators, We Need Your Help During Solar Eclipses!

Photo of a large metal antenna with a solar eclipse in the sky
Photo of a large metal antenna with a solar eclipse in the sky

August 21, 2017 Solar Eclipse as seen from the Great Smoky Mountain National Park, near Maryville, TN. (Credit: W.D. Engelke AB4EJ)

Ham Radio operators, we’re calling you! Members of the Ham Radio Science Citizen Investigation (HamSCI) will be making radio contacts during the 2023 and 2024 North American eclipses, probing the Earth’s ionosphere. It will be a fun, friendly event with a competitive element—and you’re invited to participate.

Both amateur and professional broadcasters have been sending and receiving radio signals around the Earth for over a century. Such communication is possible due to interactions between our Sun and the ionosphere, the ionized region of the Earth’s atmosphere located roughly 80 to 1000 km overhead. The upcoming eclipses (October 14, 2023, and April 8, 2024) provide unique opportunities to study these interactions. As you and other HamSCI members transmit, receive, and record signals across the radio spectrum during the eclipse, you will create valuable data to test computer models of the ionosphere.

For more information, go to https://hamsci.org/festivals-eclipse-ionospheric-science

More about solar eclipses:


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