Grapes Funded for 2023/2024 Eclipse Study

[Dr. Nathaniel A. Frissell Ph.D.]

Hi, HamSCI!

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:

• https://hamsci.org/article/hamsci-use-grape-personal-space-weather-stations-study-2023-and-2024-solar-eclipses
• https://news.scranton.edu/articles/2022/08/news-faculty-nsf-eclipse-frissell-2022.shtml

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

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Dr. Nathaniel A. Frissell, Ph.D., W2NAF
HamSCI Lead / Assistant Professor
Department of Physics and Electrical Engineering
University of Scranton
(973) 787-4506

[Kim, Hyomin]

Congratulations! 

Perhaps, our HamSCI magnetometer network can be implemented into this new effort? 

Hyomin

Hyomin Kim Assistant Professor Physics Center for Solar-Terrestrial Research Institute for Space Weather Sciences hm...@njit.edu • (973) 596-5704 https://web.njit.edu/~hmkim/ 104 Tiernan Hall, 161 Warren Street, Newark, NJ 07102

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[Ward Silver]

Wow - that's great news!  Good job to all involved.

Maybe we'll find out the true nature of the Black Hole of HF Propagation in the midwest!

I'll be happy to participate with a very quiet site for a Grape installation in central Missouri.

73, Ward N0AX

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[Phil Erickson]

Hi Ward,

  Is that why all these west coast hams (like N6QW) are repeatedly pointing to no DX at all on their radios and saying "Cycle 25 is a Bust"?  I'm getting very very tired of trying to answer these questions and have essentially given up.  Maybe you can help me by pointing to something, anything?

73

Phil W1PJE

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Phil Erickson
phil.e...@gmail.com

[Gerald Creager]

Congratulations on another success! I can offer a decent site in Colorado Springs at 7300 ft Mel.

73

Gerry N5JXS

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[Bob Gerzoff]

Now you’re really batting a 1000.  Congratulations!!!

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[Steve Kaeppler]

Hi Nathaniel-

Congratulations on the win! That is wonderful news! If the offer is
there, I'd be happy to have some equipment down here at Clemson for
the eclipse.

As an aside, I am also happy to hear your proposal reviewed pretty
quickly. That is a good sign. I seem to remember you putting this in
back in May.

Congratulations again and 73,
Steve
AD0AE

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--------------------------------------------------------------------
Steve Kaeppler
steve.k...@gmail.com
cell: 262-707-0932
Amateur Radio Call: AD0AE/6

[Steve Davidson K3FZT]

Congratulations on the award and funding. It takes a big team to do big work. Thank you for sharing their identities with us.

I have a Grape1 that was transferred to me from WA2UAR and I've been streaming data for about two weeks now. I hope to continue with the next stage of the project.

73 de K3FZT / Steve

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Steven Davidson K3FZT

6925 Scotforth Rd | Philadelphia, PA 19119-3711

Mobile: 917-837-7079 | K3...@sjdmd.com

On Tue, Aug 2, 2022 at 4:32 PM Dr. Nathaniel A. Frissell Ph.D. <nathaniel...@scranton.edu> wrote:

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[Phil Erickson]

HI Nathaniel,

  Congratulations. I've passed the news along to Haystack.  We'll remember this as we try to solidify plans for the April 2024 event, whenever we find time to do it.  I guess if we don't get it right, we just wait 20 years and repeat.  Never mind that, then.

  Terrific.  We'll hit this eclipse with everything we have and then hopefully spend some years scratching heads at what happened.  Doing a OSSE (observational system simulation experiment) will be essential early on in the project to convince people that useful information on drivers can be disambiguated, as you and I and Kristina have previously discussed.

73

Phil W1PJE

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[Mike Ruohoniemi]

Wonderful news, Nathaniel! Congratulations to you and the entire HamSCI team!

Mike

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[Robert McGwier]

Congratulations!! I can't wait to enhance the ionosonde we used in the last eclipse. Three masters degrees and one PhD. 

Dr. Robert W McGwier, Ph.D.
Adjunct Faculty, Virginia Tech
Affiliated Faculty, U of Scranton
ARDC Member of Board
N4HY: ARRL, TAPR, AMSAT, EARC
Sky: AAVSO, Sky360, Auburn AS, Skyscrapers

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[Dan Layne]

Congratulations to the PSWS team!  Dr. Richard Russel, myself and others from the Deep Space Exploration Society (DSES) have been following the development of both the Tangerine SDR and Grape PSWS. We have participated in HamSCI workshops and a couple of the eclipse festivals. Please add DSES to the list of sites that would like to acquire and field one of the new Grape PSWS when they become available. We have a remote, radio-quiet location in Southeastern Colorado where we operate a 60' radio telescope and other equipment for both ham radio and radio astronomy. 

Dan Layne, AD0CY

Science Lead

Deep Space Exploration Society

[Dr. Nathaniel A. Frissell Ph.D.]

Thank you for everyone’s good wishes!

 

I’ve replied to each person individually. I’m looking forward to working on this project over the next few years.

 

73 Nathaniel W2NAF

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