Re: [HamSCI] Abridged summary of hamsci@googlegroups.com - 7 updates in 2 topics

[Charles Weaver]

Pleased to part of ham radio when I join up with fellow “ham” on the air or supporting my fellow cutler s in time of need.

Chuck Weavet W3VAR

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On Dec 23, 2025, at 7:58 PM, ham...@googlegroups.com wrote:



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• Help Save NCAR - National Center for Atmospheric Research - 1 Update
• Help understanding how to look for evidence of TIDs in WSPR data - 6 Updates

Help Save NCAR - National Center for Atmospheric Research

R Diehl <road...@gmail.com>: Dec 23 12:53PM -0500 I sent the letters to my senators and congressmen. I hope it helps. Hopefully wise minds will prevail.   On Sun, Dec 21, 2025 at 3:51 PM David Eckhardt <davea...@gmail.com> wrote:     -- ...more

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Help understanding how to look for evidence of TIDs in WSPR data

Isobel Smith - 2E0YSI <isobel...@gmail.com>: Dec 23 06:20AM -0800 Hi all,   I would like some help in understanding how to look for evidence for Travelling Ionospheric Disturbances in WSPR data. For context, I am interested in looking at the changes in radio ...more

<ghby...@k9trv.org>: Dec 23 09:25AM -0500 Dear Isobel, I would think that to be a very difficult task. There are no more space shuttle flights or launches, and when there were, there was not a wide and deep WSPR network, with the current ...more

Isobel Smith - M5DUK <isobel...@gmail.com>: Dec 23 06:30AM -0800 Thank you for your reply. Perhaps "Space Shuttle" is the wrong terminology - I just meant any kindof spacecraft launch (e.g SpaceX launches). For example, I initially just took the naive ...more

Isobel Smith - M5DUK <isobel...@gmail.com>: Dec 23 06:31AM -0800 However, according to the paper "First Observations of Large Scale Traveling Ionospheric Disturbances Using Automated Amateur Radio Receiving Networks" ( ...more

Dr. Nathaniel A. Frissell Ph.D. <nathaniel...@scranton.edu>: Dec 23 03:45PM Hi Isobel,   Have you read my 2022 Geophysical Research Letters<https://doi.org/10.1029/2022GL097879> paper? It is about identical large scale TIDs in WSPR/PSKReporter/RBN data.   ...more

Gwyn Griffiths <gxgri...@virginmedia.com>: Dec 23 09:27AM -0800 Hello Isobel TIDs are certainly a fascinating subject and for your particular application I agree with Nathaniel that "a more finessed approach". A good starting would be a sketch showing what ...more

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