AAVSO Sudden Ionospheric Disturbance Report
Observer: A118
Station: QD22

40   250514  0710 0739D0717                 1+    3QD22              A118
40   250514  0739 0808 0745                 1+    3QD22              A118
40   250526  0710 0750 0715                 2     4QD22              A118