Ionosonde Data during the Annular Eclipse from PT ARGUELLO, BOULDER AND AUSTIN

Jim Willis

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Oct 15, 2023, 11:52:27 AM10/15/23

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Critical Frequency foF2 before and after the eclipse - all stations - time series.png

Critical frequency foF2, time series, before and during the annular eclipse as recorded by stations PT ARGUELLO, BOULDER AND AUSTIN.

Critical Frequency foF2 before and after the eclipse (overlay).png

Same as previous chart except Oct 14 and Oct 13 are overlaid. Notice the deviation on the PT ARGUELLO trace at 16:00.

Critical Frequency foF2 before and after the eclipse -Pt Arguello - overlay.png

Same as previous chart showing just PT ARGUELLO.

Maximum layer height for F2 before and after the eclipse (overlay).png

Maximum F2 layer height for Oct 14, 2023 overlaid with Oct 13, 2023. The only significant deviation occurred at 0800 at both BOULDER and AUSTIN stations.

All data provided by:

Reinisch, B. W., and I. A. Galkin, Global ionospheric radio observatory (GIRO), Earth, Planets, and Space, 63, 377-381, doi:10.5047/eps.2011.03.001, 2011
http://spase.info/SMWG/Observatory/GIRO

73,

Jim KX4TD

Jim Willis

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Oct 15, 2023, 4:05:28 PM10/15/23

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I'm running WSPR on 40, 20, 15 and 10M. The only "effect" I could see was on 10M:

Jim Willis

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Oct 16, 2023, 11:54:25 AM10/16/23

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CORRECTION! Previous version did not include overlays for AUSTIN and BOULDER.

Critical Frequency foF2 before and after the eclipse - all stations - overlay.png

Same as previous chart except Oct 14 and Oct 13 are overlaid. Notice the deviation on the all traces at 16:00.

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