• MSTID detector
• Archive
• Description

Latest occurrence of Medium Scale Travelling Ionospheric Disturbances (MSTIDs) over the Czech Republic

Time (UT)	State	Horizontal velocity (m/s)	Azimuth (°)	Period (min)	Oscillation velocity (m/s)
2026-04-14 05:00:00	TID A	110.8 ± 6.8	93.8 ± 11.5	127 ± 32	17.7 ± 1.6
2026-04-14 04:45:00	TID A	107.6 ± 4.7	50.6 ± 14.1	126 ± 32	12.5 ± 2.0
2026-04-14 04:30:00	TID A	244.0 ± 151.3	15.7 ± 49.7	124 ± 32	11.8 ± 5.7
2026-04-14 04:15:00	TID	N/A	N/A	N/A	N/A
2026-04-14 04:00:00	TID	N/A	N/A	N/A	N/A
2026-04-14 03:45:00	TID	N/A	N/A	N/A	N/A
2026-04-14 03:30:00	NO TID	N/A	N/A	N/A	N/A
2026-04-14 03:15:00	SPREAD	N/A	N/A	N/A	N/A
2026-04-14 03:00:00	SPREAD	N/A	N/A	N/A	N/A
2026-04-14 02:45:00	NO TID	N/A	N/A	N/A	N/A
2026-04-14 02:30:00	NO TID	N/A	N/A	N/A	N/A

NO TID: no TIDs were detected or missing data;
TID: TIDs were detected, not analysed;
TID A: TIDs were detected and analysed;
SPREAD: spread F was detected;

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Doppler shift spectrogram

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