Report 'A118DHO' (Apr-2026):

-- For Information Only - May contain inaccurate or erroneous data --


  1: AAVSO Sudden Ionospheric Disturbance Report


  2: Observer: A118


  3: Station: HO23


  4: 


  5: --   260401  1342 1410 1348                 1+    3BZ20              A118


  6: 40   260401  1344 1410 1347                 1+    5HO23              A118


  7: --   260403  0754 0810 0757                 1-    3QD22              A118


  8: 40   260403  0754 0815 0757                 1     5HO23              A118


  9: --   260403  1011 1045 1017                 2     2BZ20              A118


 10: 40   260403  1011 1045 1017                 2     5HO23              A118


 11: --   260403  1157 1210 1201                 1-    2BZ20              A118


 12: 40   260403  1157 1210 1201                 1-    4HO23              A118


 13: --   260403  1224 1248D1227                 1     4BZ20              A118


 14: 40   260403  1224 1248D1227                 1     5HO23              A118


 15: --   260403  1248 1330 1251                 2     5BZ20              A118


 16: 40   260403  1248 1330 1251                 2     5HO23              A118


 17: --   260403  1606 1615 1608                 1-    2QD22              A118


 18: 40   260403  1606 1615 1608                 1-    2HO23              A118


 19: --   260404  0750 0835 0755                 2     5QD22              A118


 20: 40   260404  0750 0845 0755                 2+    5HO23              A118


 21: --   260404  1202 1245 1206                 2     3BZ20              A118


 22: 40   260404  1203 1245 1207                 2     5HO23              A118


 23: 40   260404  1337 1350 1338                 1-    2HO23              A118


 24: --   260408  1539 1615 1542                 2     5QD22              A118


 25: 40   260408  1539 1615 1542                 2     5HO23              A118


 26: --   260409  0830 0920 0842                 2+    2BZ20              A118


 27: --   260409  0829 0920 0840                 2+    5QD22              A118


 28: 40   260409  0829 0920 0842                 2+    5HO23              A118


 29: 40   260416  1222 1250 1226                 1+    2HO23              A118


 30: 40   260420  1504 1525 1510                 1     2HO23              A118


 31: 40   260421  0945 1005 0952                 1     2HO23              A118


 32: 40   260421  1127 1141 1130                 1-    5HO23              A118


 33: 40   260421  1147 1210 1152                 1     5HO23              A118


 34: 40   260422  1708 1726 1713                 1-    2HO23              A118


 35: 40   260423  0752 0805 0757                 1-    2HO23              A118


 36: 40   260423  0807 0837 0812                 1+    3HO23              A118


 37: 40   260423  0843 0940 0846                 2+    5HO23              A118


 38: --   260423  0843 0915 0846                 1+    5QD22              A118


 39: 40   260423  0951 1006 0953                 1-    2HO23              A118


 40: --   260423  1348 1500 1358                 2+    5QD22              A118


 41: 40   260423  1348 1459 1358                 2+    5HO23              A118


 42: --   260423  1558 1703D1613                 2+    5QD22              A118


 43: 40   260423  1558 1703D1613                 2+    5HO23              A118


 44: --   260423  1703 1815 1706                 2+    5QD22              A118


 45: 40   260423  1703 1815 1706                 2+    5HO23              A118


 46: --   260424  0805 0840 0813                 2     5BZ20              A118


 47: --   260424  0805 0845 0811                 2     5QD22              A118


 48: 40   260424  0805 0903D0811                 2+    5HO23              A118


 49: --   260424  0903 0945 0906                 2     4QD22              A118


 50: 40   260424  0903 0950 0906                 2+    5HO23              A118


 51: 40   260424  1055 1115 1058                 1     3HO23              A118


 52: 40   260424  1208 1218 1209                 1-    2HO23              A118


 53: 40   260424  1238 1415 1255                 3     5HO23              A118


 54: 40   260424  1435 1455 1438                 1     3HO23              A118


 55: 40   260424  1600 1617 1602                 1-    2HO23              A118


 56: 40   260424  1710 1740 1714                 1+    3HO23              A118


 57: --   260424  1803 1908 1807                 2+    5QD22              A118


 58: 40   260424  1803 1848 1807                 2     5HO23              A118


 59: --   260425  0758 0830 0759                 1+    5QD22              A118


 60: 40   260425  0758 0840 0759                 2     5HO23              A118


 61: 40   260425  0953 1015 0954                 1     2HO23              A118


 62: 40   260425  1316 1347 1320                 1+    5HO23              A118


 63: --   260425  1400 1510 1401                 2+    4QD22              A118


 64: 40   260425  1400 1515 1401                 2+    5HO23              A118


 65: 40   260425  1557 1617 1602                 1     1HO23              A118


 66: --   260426  0715 0728 0718                 1-    2QD22              A118


 67: 40   260426  0715 0728 0718                 1-    4HO23              A118


 68: 40   260426  1112 1136D1117                 1     5HO23              A118


 69: 40   260426  1136 1150 1137                 1-    3HO23              A118


 70: --   260426  1357 1422 1403                 1     5QD22              A118


 71: 40   260426  1357 1422 1403                 1     5HO23              A118


 72: --   260426  1422 1500 1425                 2     5QD22              A118


 73: 40   260426  1422 1505 1425                 2     5HO23              A118


 74: --   260427  0643 0710 0645                 1+    2BZ20              A118


 75: --   260427  0643 0710 0645                 1+    4QD22              A118


 76: 40   260427  0643 0702 0645                 1     5HO23              A118


 77: --   260428  0810 0840 0817                 1+    2BZ20              A118


 78: --   260428  0813 0840 0817                 1+    4QD22              A118


 79: 40   260428  0811 0840 0817                 1+    4HO23              A118


 80: --   260428  0919 1050 0923                 3     5BZ20              A118


 81: --   260428  0919 1015 0923                 2+    5QD22              A118


 82: 40   260428  0919 1030 0923                 2+    5HO23              A118


 83: 40   260428  1117 1135 1119                 1-    4HO23              A118


 84: --   260428  1143 1207D1147                 1     2BZ20              A118


 85: --   260428  1143 1207D1147                 1     2QD22              A118


 86: 40   260428  1143 1207D1147                 1     5HO23              A118


 87: --   260428  1207 1300 1213                 2+    2QD22              A118


 88: 40   260428  1207 1220D1213                 1-    5HO23              A118


 89: 40   260428  1220 1303D1222                 2     5HO23              A118


 90: 40   260428  1303 1320 1306                 1-    2HO23              A118


 91: --   260428  1352 1530 1357                 3     2BZ20              A118


 92: --   260428  1352 1406 1353                 1-    4QD22              A118


 93: 40   260428  1352 1406 1353                 1-    5HO23              A118


 94: --   260428  1406 1430 1408                 1     2QD22              A118


 95: 40   260428  1406 1500 1408                 2+    5HO23              A118


 96: --   260428  1552 1625 1554                 2     3QD22              A118


 97: 40   260428  1552 1625 1554                 2     4HO23              A118

55 events.

Event Event 1: 01-Apr-26 - monitoring of HO23 by observer A118
Start: 13:44 UTC
Max: 13:47 UTC
End: 14:10 UTC
Duration: 26 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 1 detailed plot. Click to enlarge.
Event Event 2: 03-Apr-26 - monitoring of HO23 by observer A118
Start: 07:54 UTC
Max: 07:57 UTC
End: 08:15 UTC
Duration: 21 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 2 detailed plot. Click to enlarge.
Event Event 3: 03-Apr-26 - monitoring of HO23 by observer A118
Start: 10:11 UTC
Max: 10:17 UTC
End: 10:45 UTC
Duration: 34 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 3 detailed plot. Click to enlarge.
Event Event 4: 03-Apr-26 - monitoring of HO23 by observer A118
Start: 11:57 UTC
Max: 12:01 UTC
End: 12:10 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 4 detailed plot. Click to enlarge.
Event Event 5: 03-Apr-26 - monitoring of HO23 by observer A118
Start: 12:24 UTC
Max: 12:27 UTC
End: after 12:48 UTC
Duration: 24 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 5 detailed plot. Click to enlarge.
Event Event 6: 03-Apr-26 - monitoring of HO23 by observer A118
Start: 12:48 UTC
Max: 12:51 UTC
End: 13:30 UTC
Duration: 42 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 6 detailed plot. Click to enlarge.
Event Event 7: 03-Apr-26 - monitoring of HO23 by observer A118
Start: 16:06 UTC
Max: 16:08 UTC
End: 16:15 UTC
Duration: 9 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 7 detailed plot. Click to enlarge.
Event Event 8: 04-Apr-26 - monitoring of HO23 by observer A118
Start: 07:50 UTC
Max: 07:55 UTC
End: 08:45 UTC
Duration: 55 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 8 detailed plot. Click to enlarge.
Event Event 9: 04-Apr-26 - monitoring of HO23 by observer A118
Start: 12:03 UTC
Max: 12:07 UTC
End: 12:45 UTC
Duration: 42 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 9 detailed plot. Click to enlarge.
Event Event 10: 04-Apr-26 - monitoring of HO23 by observer A118
Start: 13:37 UTC
Max: 13:38 UTC
End: 13:50 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 10 detailed plot. Click to enlarge.
Event Event 11: 08-Apr-26 - monitoring of HO23 by observer A118
Start: 15:39 UTC
Max: 15:42 UTC
End: 16:15 UTC
Duration: 36 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 11 detailed plot. Click to enlarge.
Event Event 12: 09-Apr-26 - monitoring of HO23 by observer A118
Start: 08:29 UTC
Max: 08:42 UTC
End: 09:20 UTC
Duration: 51 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 12 detailed plot. Click to enlarge.
Event Event 13: 16-Apr-26 - monitoring of HO23 by observer A118
Start: 12:22 UTC
Max: 12:26 UTC
End: 12:50 UTC
Duration: 28 minutes (Importance: 1+)
Confidence: 2 Confidence: Fair (2)
Event 13 detailed plot. Click to enlarge.
Event Event 14: 20-Apr-26 - monitoring of HO23 by observer A118
Start: 15:04 UTC
Max: 15:10 UTC
End: 15:25 UTC
Duration: 21 minutes (Importance: 1)
Confidence: 2 Confidence: Fair (2)
Event 14 detailed plot. Click to enlarge.
Event Event 15: 21-Apr-26 - monitoring of HO23 by observer A118
Start: 09:45 UTC
Max: 09:52 UTC
End: 10:05 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 2 Confidence: Fair (2)
Event 15 detailed plot. Click to enlarge.
Event Event 16: 21-Apr-26 - monitoring of HO23 by observer A118
Start: 11:27 UTC
Max: 11:30 UTC
End: 11:41 UTC
Duration: 14 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 16 detailed plot. Click to enlarge.
Event Event 17: 21-Apr-26 - monitoring of HO23 by observer A118
Start: 11:47 UTC
Max: 11:52 UTC
End: 12:10 UTC
Duration: 23 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 17 detailed plot. Click to enlarge.
Event Event 18: 22-Apr-26 - monitoring of HO23 by observer A118
Start: 17:08 UTC
Max: 17:13 UTC
End: 17:26 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 18 detailed plot. Click to enlarge.
Event Event 19: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 07:52 UTC
Max: 07:57 UTC
End: 08:05 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 19 detailed plot. Click to enlarge.
Event Event 20: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 08:07 UTC
Max: 08:12 UTC
End: 08:37 UTC
Duration: 30 minutes (Importance: 1+)
Confidence: 3 Confidence: Reasonable (3)
Event 20 detailed plot. Click to enlarge.
Event Event 21: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 08:43 UTC
Max: 08:46 UTC
End: 09:40 UTC
Duration: 57 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 21 detailed plot. Click to enlarge.
Event Event 22: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 09:51 UTC
Max: 09:53 UTC
End: 10:06 UTC
Duration: 15 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 22 detailed plot. Click to enlarge.
Event Event 23: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 13:48 UTC
Max: 13:58 UTC
End: 14:59 UTC
Duration: 71 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 23 detailed plot. Click to enlarge.
Event Event 24: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 15:58 UTC
Max: 16:13 UTC
End: after 17:03 UTC
Duration: 65 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 24 detailed plot. Click to enlarge.
Event Event 25: 23-Apr-26 - monitoring of HO23 by observer A118
Start: 17:03 UTC
Max: 17:06 UTC
End: 18:15 UTC
Duration: 72 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 25 detailed plot. Click to enlarge.
Event Event 26: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 08:05 UTC
Max: 08:11 UTC
End: after 09:03 UTC
Duration: 58 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 26 detailed plot. Click to enlarge.
Event Event 27: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 09:03 UTC
Max: 09:06 UTC
End: 09:50 UTC
Duration: 47 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 27 detailed plot. Click to enlarge.
Event Event 28: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 10:55 UTC
Max: 10:58 UTC
End: 11:15 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 3 Confidence: Reasonable (3)
Event 28 detailed plot. Click to enlarge.
Event Event 29: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 12:08 UTC
Max: 12:09 UTC
End: 12:18 UTC
Duration: 10 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 29 detailed plot. Click to enlarge.
Event Event 30: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 12:38 UTC
Max: 12:55 UTC
End: 14:15 UTC
Duration: 97 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 30 detailed plot. Click to enlarge.
Event Event 31: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 14:35 UTC
Max: 14:38 UTC
End: 14:55 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 3 Confidence: Reasonable (3)
Event 31 detailed plot. Click to enlarge.
Event Event 32: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 16:00 UTC
Max: 16:02 UTC
End: 16:17 UTC
Duration: 17 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 32 detailed plot. Click to enlarge.
Event Event 33: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 17:10 UTC
Max: 17:14 UTC
End: 17:40 UTC
Duration: 30 minutes (Importance: 1+)
Confidence: 3 Confidence: Reasonable (3)
Event 33 detailed plot. Click to enlarge.
Event Event 34: 24-Apr-26 - monitoring of HO23 by observer A118
Start: 18:03 UTC
Max: 18:07 UTC
End: 18:48 UTC
Duration: 45 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 34 detailed plot. Click to enlarge.
Event Event 35: 25-Apr-26 - monitoring of HO23 by observer A118
Start: 07:58 UTC
Max: 07:59 UTC
End: 08:40 UTC
Duration: 42 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 35 detailed plot. Click to enlarge.
Event Event 36: 25-Apr-26 - monitoring of HO23 by observer A118
Start: 09:53 UTC
Max: 09:54 UTC
End: 10:15 UTC
Duration: 22 minutes (Importance: 1)
Confidence: 2 Confidence: Fair (2)
Event 36 detailed plot. Click to enlarge.
Event Event 37: 25-Apr-26 - monitoring of HO23 by observer A118
Start: 13:16 UTC
Max: 13:20 UTC
End: 13:47 UTC
Duration: 31 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 37 detailed plot. Click to enlarge.
Event Event 38: 25-Apr-26 - monitoring of HO23 by observer A118
Start: 14:00 UTC
Max: 14:01 UTC
End: 15:15 UTC
Duration: 75 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 38 detailed plot. Click to enlarge.
Event Event 39: 25-Apr-26 - monitoring of HO23 by observer A118
Start: 15:57 UTC
Max: 16:02 UTC
End: 16:17 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 1 Confidence: Possible (1)
Event 39 detailed plot. Click to enlarge.
Event Event 40: 26-Apr-26 - monitoring of HO23 by observer A118
Start: 07:15 UTC
Max: 07:18 UTC
End: 07:28 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 40 detailed plot. Click to enlarge.
Event Event 41: 26-Apr-26 - monitoring of HO23 by observer A118
Start: 11:12 UTC
Max: 11:17 UTC
End: after 11:36 UTC
Duration: 24 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 41 detailed plot. Click to enlarge.
Event Event 42: 26-Apr-26 - monitoring of HO23 by observer A118
Start: 11:36 UTC
Max: 11:37 UTC
End: 11:50 UTC
Duration: 14 minutes (Importance: 1-)
Confidence: 3 Confidence: Reasonable (3)
Event 42 detailed plot. Click to enlarge.
Event Event 43: 26-Apr-26 - monitoring of HO23 by observer A118
Start: 13:57 UTC
Max: 14:03 UTC
End: 14:22 UTC
Duration: 25 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 43 detailed plot. Click to enlarge.
Event Event 44: 26-Apr-26 - monitoring of HO23 by observer A118
Start: 14:22 UTC
Max: 14:25 UTC
End: 15:05 UTC
Duration: 43 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 44 detailed plot. Click to enlarge.
Event Event 45: 27-Apr-26 - monitoring of HO23 by observer A118
Start: 06:43 UTC
Max: 06:45 UTC
End: 07:02 UTC
Duration: 19 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 45 detailed plot. Click to enlarge.
Event Event 46: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 08:11 UTC
Max: 08:17 UTC
End: 08:40 UTC
Duration: 29 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 46 detailed plot. Click to enlarge.
Event Event 47: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 09:19 UTC
Max: 09:23 UTC
End: 10:30 UTC
Duration: 71 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 47 detailed plot. Click to enlarge.
Event Event 48: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 11:17 UTC
Max: 11:19 UTC
End: 11:35 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 48 detailed plot. Click to enlarge.
Event Event 49: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 11:43 UTC
Max: 11:47 UTC
End: after 12:07 UTC
Duration: 24 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 49 detailed plot. Click to enlarge.
Event Event 50: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 12:07 UTC
Max: 12:13 UTC
End: after 12:20 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 50 detailed plot. Click to enlarge.
Event Event 51: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 12:20 UTC
Max: 12:22 UTC
End: after 13:03 UTC
Duration: 43 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 51 detailed plot. Click to enlarge.
Event Event 52: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 13:03 UTC
Max: 13:06 UTC
End: 13:20 UTC
Duration: 17 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 52 detailed plot. Click to enlarge.
Event Event 53: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 13:52 UTC
Max: 13:53 UTC
End: 14:06 UTC
Duration: 14 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 53 detailed plot. Click to enlarge.
Event Event 54: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 14:06 UTC
Max: 14:08 UTC
End: 15:00 UTC
Duration: 54 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 54 detailed plot. Click to enlarge.
Event Event 55: 28-Apr-26 - monitoring of HO23 by observer A118
Start: 15:52 UTC
Max: 15:54 UTC
End: 16:25 UTC
Duration: 33 minutes (Importance: 2)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 55 detailed plot. Click to enlarge.
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