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May be an image of radar and text that says "X-ray SolarX- Flux R1 Flares M27p 1Blackout aa @000a Level M5.7, Blackout Solar Proton Flux S1 Highest Frequency Affeedby 2nd lare Tiggered Goomagnetic Activity Absorption Absorption Frequency flux 30 Product Normal Proton Background 2023 16 Jul First, Max 22:55 Second: Starting 23:18 Back-to-back X-Ray Jul 18 Universal Time Jul 19 17-July-2023: Level M2.7 with Radio Blackout Long-Duration Max 00:07 (18 July 2023), Level M5.7 R2 Blackout Second flare approximate flare start: 17-July-2023 23:18 flare maximum 8-July @00:07 5.7 (R2) duration Combined Flare Results This degrading S2-Level Solar Proton Storm propagation (PCA). https://sunSpotWatch.com NW7US"
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Space Weather + Ham Radio Resources
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17 July

Two Back-to-back X-Ray Flares:

First, Max at 22:55 UT on 17-July-2023: Level M2.7, with R1 Radio Blackout

Second: Starting at 23:18 UT, Long-Duration with Max @... 00:07 UT (18 July 2023), Level M5.7, R2 Blackout

Second flare approximate flare start: 17-July-2023 @ 23:18 UT
Approximate flare maximum on 18-July-2023 @00:07 UT, M 5.7 (R2)
Second flare end: 03:32 UT (18th) - 4 hour duration

Combined Flare Results in S2-Level Solar Proton Storm
This is degrading trans-polar propagation (PCA).

https://SunSpotWatch.com // NW7US

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Great book!

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