[TangerineSDR] Grapes Funded for 2023/2024 Eclipse Study
Dr. Nathaniel A. Frissell Ph.D.
nathaniel.frissell at scranton.edu
Tue Aug 2 16:32:42 EDT 2022
I’m very happy to tell you that we just received a 3-year NSF grant to use the Grape Personal Space Weather Stations to studying the ionospheric impact of the 2023 and 2024 solar eclipses, as well as ionospheric variability that occurs at dawn and dusk. Here are some of the science questions we are going to be working to address:
1. How do dawn and dusk ionospheric variability as observed by HF Doppler shift measurements vary with local time, season, latitude, longitude, frequency, distance, and direction from the transmitter?
2. Is eclipse ionospheric response symmetric with regard to onset and recovery timing?
3. How similar is the eclipse to daily dawn and dusk terminator passage?
4. Do we observe multipath HF mode-splitting in the post-eclipse interval that is similar to dawn events?
5. How is the response different for the southward Annular eclipse in 2023 compared to the northward Total eclipse of 2024?
This grant will fund about 30 Grape v2 receivers to be deployed across the US and Canada, as well as support for a PhD student at Case Western and MS Software Engineering student at Scranton. We will also work to make additional Grapes available for purchase to volunteers. These Grapes will be using signals from both WWV and CHU for these studies.
I’d like to thank many people for helping us get this grant, including Kristina Collins KD8OXT, David Kazdan AD8Y, John Gibbons N8OBJ, Rachel Boedicker AC8XY, Christian Zorman, Bill Engelke AB4EJ, Steve Cerwin WA5FRF, Phil Erickson W1PJE, Mary Lou West KC2NMC, Bob Gerzoff WK2Y, Rachel Frissell W2RUF, and the entire HamSCI Grape Personal Space Weather Station team.
Here are some press releases:
If you would like to participate, please join us at our Thursday 10 AM Eastern telecons! See https://hamsci.org/get-involved for more info.
73 Nathaniel W2NAF
Dr. Nathaniel A. Frissell, Ph.D., W2NAF
HamSCI Lead / Assistant Professor
Department of Physics and Electrical Engineering
University of Scranton
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