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Case Amateur Radio Club Solar Eclipse Project

Case Amateur Radio Club logoContribute to Eclipse Science and History: Research Propagation with Your Receiver!

Previously posted on March 5, 2024 – 

The Case Amateur Radio Club W8EDU of Case Western Reserve University in Cleveland, Ohio is excited to invite Canadian Amateurs to participate in the upcoming CHU Eclipse Data Collection Project!

We will be monitoring the reception of the Canadian time standard CHU before, during, and after the eclipse to measure the recombination time of the ionosphere. In other words, we know that the ionosphere changes in response to the presence of UV radiation in the sun by ionizing during the day and ‘de-ionizing’ at night (which is why many frequency bands propagate differently during the day and the night).

We understand how the ionosphere changes over a normal 24-hour period in response to the relatively slow transition from daytime to night time, but want to learn more about how it changes over a much shorter period (which is what the eclipse provides). We want you to help!

Our goal is to study how the eclipse affects radio wave propagation, helping us understand the ionosphere’s recombination time. To achieve this, we need your help recording Canada’s time standard station CHU for two weeks surrounding the April 8th eclipse. Anyone with a KiwiSDR or a rig capable of interfacing with analysis/recording software like Fldigi is encouraged to join the effort!

This project has already garnered enthusiastic support from various communities, including the American Radio Relay League, the Radio Amateurs of Canada, and the Ham Radio Citizen Science Investigation HamSCI. 

We have over 20 stations across the continent participating, from universities and high schools to representatives from the Radio Amateurs of Canada and even a station in Mexico!

To join us and contribute valuable data, simply visit our website and follow the instructions (https://w8edu.wordpress.com/chu-eclipse-data-collection/) to set up your station and notify us about your participation.

Please reach out to if you have any questions or comments. 

Adam Goodman W7OKE, President, Case Amateur Radio Club
David Kazdan AD8Y, MD, PhD, Faculty Advisor, Case Amateur Radio Club
Chistian Zorman, PhD, Faculty Advisor, Case Amateur Radio Club, Associate Dean for Research, Case School of Engineering

2024 Total Solar Eclipse: Through the Eyes of NASA

NASA solar eclipse livestream header

Watch live with us as a total solar eclipse moves across Mexico, the United States and Canada. Weather permitting, people throughout most of North and Central America, including all of the contiguous United States, will be able to view at least a partial solar eclipse. See views of the eclipse from sites along its path.

2024 Total Solar Eclipse: Through the Eyes of NASA | NASA+