SUDDEN IONOSPHERIC OF DISTURBANCES - SID Month: SEPTEMBER YEAR: 2017 Observing Station: OBSERVATORY U P I C E CZECH REPUBLIC Transmitter coordinates: Receiver coordinates: Lat.: 63 51 1.31 N Lat.: 50 30 26.6 N Long.: 22 28 0.38 W Long.: 16 00 43.5 E Sea level: 416 m Frequency: 37.5 kHz Band pass: 308 Hz a 80 dB Chart speed: 3.4 cm/H Recorder time constant: 1 min Date Start End Max. Imp. Def. Dur. Type REMARKS UT UT UT SID min. 4 1135 1415 1228 1 3 160 3 P 1529 1636 1534 1 3 67 5 P 5 0639 0740 0642 1 3 61 5 P 1015 1103U 1022 1 2 48U 5 P 1328 1453 1345 1 3 85 5 P 6 0729 0827 0744 1 2 58 5 P 0905 1014 0912 3 4 69 5 N 1200 1402 1218 3 4 122 5 N-P-N-P 1553 1631 1559 1 3 38 5 P 7 1434 1520 1439 2 4 46 5 N 8 0745 0849 0748 1 2 64 5 P 9 0949 1040 0955 1 3 51 5 N 1100 1137 1107 1 2 37 5 N 1150 1210 1153 1 2 20 5 N 10 0624 0640 0628 1 2 16 5 P 0701 0746 0717 1 2 45 5 P 1037 1104 1040 1 2 27 5 N 1300 1322 1304 1 2 22 5 N 1537 1729 1605 3 4 112 5 P-N-P 15 0747 0940 0802 1 2 113 5 P 0956 1111 1011 1 2 75 5 P 30 1512 1547 1521 1 3 35 5 N NO OBSERVATION 7. 0905 1415 14. 0930 1530 21. 0830 1150 P = positive efect N = negative efect Evaluated by J.Klimes