Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 22
Articles | Volume 18, issue 22
https://doi.org/10.5194/amt-18-7039-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-7039-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 22
Research article
 | 
25 Nov 2025
Research article |  | 25 Nov 2025

Apparent vertical ionospheric drift: a comparative assessment of digisonde and ionogram-based methods

Daniel Kouba, Zbyšek Mošna, and Petra Koucká Knížová

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Short summary
Understanding how the upper atmosphere moves is important for improving radio communication and satellite navigation. We compared two techniques that use radio signals from the ground to estimate vertical motion – one based on direct Doppler shifts, the other on changes in reflection height. We found that under certain conditions, especially at night and with proper timing, the results from both methods are comparable and consistent.
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