HamSCI Publishes Initial Observations from October Annular Solar Eclipse

Hundreds of amateurs participated in the HamSCI event by getting on the air. Combining their data with contacts from other amateur contest activities, citizen-science cooperation contributed to one of the largest participatory days ever in amateur radio history.

…observations show that signals from [medium wave] AM stations located to [the] north across the annular eclipse path showed significant signal strength enhancements associated with the eclipse, whereas signals from AM stations to the south did not.

Visit the HamSCI website for A full report [PDF] with charts and images.

via Amateur Radio Daily: https://daily.hamweekly.com/2023/12/hamsci-publishes-initial-observations-from-october-annular-eclipse/