## 5 Conclusions
[PERSON] made the calculation for the ionospheric absorption data. [PERSON] calculated the aurora distances and wrote that connected section. Therefore, every author of this manuscript contributed substantially to this study. All authors have read and agreed to the published version of the manuscript. **Funding:** The contribution of VB was supported by the National Research Excellence Programme (grant no. STARTING 150984) and Bolyai Fellowship (GD, no. BO/00461/21). [PERSON] was supported through ESA Swarm DISC (Contract SW-CO-DTU-GS-33). **Data Availability Statement:** All data used in this study are publicly available. Solar and geomagnetic indices (Kp, Dst and IMF) were taken from [[http://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html](http://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html)]([http://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html](http://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html)) (accessed on 8 July 2025), [[https://space.fmi.fi/image/www/il_index_panel.php](https://space.fmi.fi/image/www/il_index_panel.php)]([https://space.fmi.fi/image/www/il_index_panel.php](https://space.fmi.fi/image/www/il_index_panel.php)) (accessed on 8 July 2025) and [[https://omniweb.gsfc.nasa.gov/form/dx1.html](https://omniweb.gsfc.nasa.gov/form/dx1.html)]([https://omniweb.gsfc.nasa.gov/form/dx1.html](https://omniweb.gsfc.nasa.gov/form/dx1.html)) (accessed on 8 July 2025). The GOES-16 X-ray (XRS-B channel) and integrated proton fluxes plotted on Figures 6 and 7 are available from NOAA's data center: [[https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/xrsf-l2-flxls_science/](https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/xrsf-l2-flxls_science/)]([https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/xrsf-l2-flxls_science/](https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/xrsf-l2-flxls_science/)) (accessed on 8 July 2025) and [[https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/sgps-l2-avg1m/](https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/sgps-l2-avg1m/)]([https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/sgps-l2-avg1m/](https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/goes16/l2/data/sgps-l2-avg1m/)) (accessed on 8 July 2025). The absorption data calculated by the amplitude method supporting the conclusions of this article may be requested from the contact author via e-mail ([PERSON], [EMAIL_ADDRESS]). AllSwarm data are freely accessible on the ESA Swarm server [[https://swarm-disse.ee.esa.int](https://swarm-disse.ee.esa.int)]([https://swarm-disse.ee.esa.int](https://swarm-disse.ee.esa.int)) (accessed on 8 July 2025). AACGM coordinates of ground stations were computed at [[https://sdnet.thayer.dartmouth.edu/aacgm/aacgm_calc.php#AACGM](https://sdnet.thayer.dartmouth.edu/aacgm/aacgm_calc.php#AACGM)]([https://sdnet.thayer.dartmouth.edu/aacgm/aacgm_calc.php#AACGM](https://sdnet.thayer.dartmouth.edu/aacgm/aacgm_calc.php#AACGM)) (accessed on 8 July 2025). Ionosonde data are available via the Global Ionospheric Radio Observatory [[https://giro.uml.edu/didbase/scaled.php](https://giro.uml.edu/didbase/scaled.php)]([https://giro.uml.edu/didbase/scaled.php](https://giro.uml.edu/didbase/scaled.php)) (accessed on 8 July 2025).