2017 Total Solar Eclipse

Map of US Eclipses from 2017-2052

On 21 August 2017, a total solar eclipse will cause the shadow of the moon to traverse the United States from Oregon to South Carolina in just over 90 minutes. Although the ionospheric effects of solar eclipses have been studied for over 50 years, many unanswered questions remain. HamSCI is inviting amateur radio operators to participate in a large-scale experiment which will characterize the ionospheric response to the total solar eclipse and target open science questions.

Would you like to participate? Help out by getting on the air with the Solar Eclipse QSO Party, a contest-like operating event designed to generate data for studying the eclipse! Other ways to get involved include making HF Frequency Measurements, recording HF spectra, setting up a Reverse Beacon Network Receiver, particpating in VLF/LF receiving experiements, and listening to AM broadcast stations. See our Eclipse Get Involved for more information.

Are you curious about how prior total solar eclipses affected the ionosphere? Read about radio experiements during the 1999 United Kingdom Total Solar Eclipse coordinated by the Rutherford Appleton Laboratory.



Get on the air with the Solar Eclipse QSO Party!

Get Involved!

How can hams and the general public get involved?

The Experiment

Details of the plan to study the 2017 solar eclipse.


Join the HamSCI-Eclipse Mailing List


The 2018 HamSCI Workshop held at the New Jersey Institute of Technology (NJIT) February 23-24, 2018 brought together hams and space scientists from across the United States, Canada, and Great Britain. With over 60 people in attendance, presentations included results from the 2017 Great American Eclipse, ideas for a personal space weather station, and other amateur radio-space science experiments and projects.

Registration for the 2018 HamSCI Workshop is now open! The workshop will be held February 23-24, 2018 at the New Jersey Institute of Technology in Newark, NJ and seeks to bring together the amateur radio community and professional scientists. Anyone interested in this workshop is invited to join. This year, the workshop will focus on results of the 2017 Great American Eclipse ham radio ionospheric experiments (including SEQP results) and the development of a Personal Space Weather station.

HamSCI Workshop 2018


The Yasme Foundation announced this past week that Nathaniel Frissell, W2NAF and Magda Moses, KM4EGE are winners of the 2017 Excellence Award for their role in starting HamSCI and organizing and promoting the Solar Eclipse QSO Party. From Yasme's Website, "The Yasme Excellence Awards are presented to individuals who through their own service, creativity, effort and dedication have made a significant contribution to amateur radio. The contribution may be in recognition of technical, operating or organizational achievement as all three are necessary for amateur radio to grow and prosper. These awards shall be given from time to time as the board feels appropriate."