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Absence of High Frequency Echoes From Ionosondes During the 23–25 April 2023 Geomagnetic Storm; What Happened?
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
24 march 2024
John Bosco Habarulema, Yongliang Zhang, Tshimangad...
We report an unusual event on absence of high frequency (HF) echoes in ionosonde observations from the ionospheric F2 region during the geomagnetic...
Ionosonde-derived thermospheric meridional neutral wind over South Africa.
COMPOSITION, WIND, AND TEMPERATURE VARIABILITY IN THE MESOSPHERE AND IONOSPHERE/THERMOSPHERE I ONLINE POSTER DISCUSSION
spa-aeronomy | 15 december 2022
Taiwo Ojo, Zama T. Katamzi-Joseph, Patrick Dandena...
Nightime thermospheric meridional winds aligned to the magnetic meridian have been inferred from the peak height (hmF2) of ionospheric data taken from...
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First Results on Characteristics of Nighttime MSTIDs Observed Over South Africa: Influence of Thermospheric Wind and Sporadic E
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
03 november 2022
Zama T. Katamzi-Joseph, Matthew Grawe, Jonathan J....
This paper reports the climatology of medium‐scale traveling ionospheric disturbances (MSTIDs) observed between September 2018 and August 201...
Ionospheric Response to the M‐ and X‐Class Solar Flares of 28 October 2021 Over the African Sector
SPACE WEATHER
17 august 2022
John Bosco Habarulema, Mpho Tshisaphungo, Zama T. ...
On the 28 October 2021, a total of thirteen solar flares occurred. Of these, there were two M‐ and one X‐class solar flares while the r...
A Statistical Study of Poleward Traveling Ionospheric Disturbances Over the African and American Sectors During Geomagnetic Storms
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
30 march 2022
John Bosco Habarulema, Golekamang Thaganyana, Zama...
We present statistical results of traveling ionospheric disturbances (TIDs) with origin near the geomagnetic equator during geomagnetic storms that...
Climatology of the nighttime thermospheric winds over Sutherland, South Africa
COMPOSITION, WIND, AND TEMPERATURE VARIABILITY IN THE MESOSPHERE AND IONOSPHERE/THERMOSPHERE IV POSTER
spa-aeronomy | 17 december 2021
Taiwo Ojo, Zama T. Katamzi-Joseph, Kristina Chu, M...
We present the first climatological study of nighttime thermospheric neutral winds between February 2018 and January 2019 in Sutherland, South Africa ...
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Ionospheric Response at Conjugate Locations During the 7–8 September 2017 Geomagnetic Storm Over the Europe‐African Longitude Sector
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
06 october 2020
John Bosco Habarulema, Zama T. Katamzi-Joseph, D B...
This paper focuses on unique aspects of the ionospheric response at conjugate locations over Europe and South Africa during the 7–8 September...
Comparison of gravity waves from multi-instrument measurements in the African and American midlatitude sectors during quiet geomagnetic conditions
RESOLVING THE GENERATION MECHANISMS OF TRAVELING IONOSPHERIC DISTURBANCES (TIDS) II POSTERS
spa-aeronomy | 10 december 2019
Zama T. Katamzi-Joseph, Jonathan J. Makela, Matthe...
Numerous past studies have been dedicated to characterizing atmospheric gravity waves and the various processes through which they are generated [e.g....
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