Report 'A118DHO' (Feb-2026):

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


  1: AAVSO Sudden Ionospheric Disturbance Report


  2: Observer: A118


  3: Station: HO23


  4: 


  5: --   260201  0958 1030D1001                 1+    3QD22              A118


  6: 40   260201  0957 1030 1001                 2     5HO23              A118


  7: --   260201  1030 1055 1038                 1     2QD22              A118


  8: 40   260201  1030 1137 1038                 2+    5HO23              A118


  9: 40   260201  1153 1225D1210                 1+    5HO23              A118


 10: 40   260201  1225 1246D1227                 1     5HO23              A118


 11: 40   260201  1246 1354D1248                 2+    5HO23              A118


 12: 40   260201  1354 1420 1400                 1+    4HO23              A118


 13: 40   260201  1423 1445 1425                 1     5HO23              A118


 14: 40   260201  1540 1556 1545                 1-    4HO23              A118


 15: --   260201  1602 1645 1605                 2     4QD22              A118


 16: 40   260201  1602 1637 1605                 2     5HO23              A118


 17: --   260202  0753 0825 0758                 1+    4BZ20              A118


 18: --   260202  0753 0915 0758                 2+    4QD22              A118


 19: 40   260202  0753 0950 0758                 3     5HO23              A118


 20: 40   260202  1019 1057D1024                 2     5HO23              A118


 21: 40   260202  1057 1110 1058                 1-    5HO23              A118


 22: 40   260202  1117 1240 1121                 2+    5HO23              A118


 23: 40   260202  1334 1404 1341                 1+    5HO23              A118


 24: --   260202  1456 1600 1459                 2+    4QD22              A118


 25: 40   260202  1456 1630 1459                 3     5HO23              A118


 26: 40   260203  0946 1057D1002                 2+    5HO23              A118


 27: 40   260203  1057 1115D1105                 1-    5HO23              A118


 28: 40   260203  1115 1215 1122                 2+    5HO23              A118


 29: 40   260203  1245 1307 1250                 1     3HO23              A118


 30: --   260203  1406 1425 1410                 1     4BZ20              A118


 31: --   260203  1406 1410 1407                 1-    2QD22              A118


 32: 40   260203  1406 1447D1407                 2     5HO23              A118


 33: 40   260203  1447 1555 1456                 2+    5HO23              A118


 34: 40   260204  0901 0913 0902                 1-    2HO23              A118


 35: --   260204  0919 0952 0920                 2     5QD22              A118


 36: 40   260204  0919 0952 0920                 2     5HO23              A118


 37: 40   260204  0953 1004D0959                 1-    3HO23              A118


 38: 40   260204  1004 1012D1007                 1-    2HO23              A118


 39: --   260204  1012 1043 1013                 1+    2QD22              A118


 40: 40   260204  1012 1043D1013                 1+    5HO23              A118


 41: 40   260204  1043 1132D1047                 2+    5HO23              A118


 42: 40   260204  1132 1155 1135                 1     5HO23              A118


 43: --   260204  1209 1245 1211                 2     5BZ20              A118


 44: 40   260204  1207 1500 1209                 3+    5HO23              A118


 45: --   260204  1532 1625 1535                 2+    5QD22              A118


 46: 40   260204  1532 1625 1535                 2+    5HO23              A118


 47: 40   260205  0828 0843D0830                 1-    5HO23              A118


 48: 40   260205  0843 0907 0847                 1     4HO23              A118


 49: 40   260205  1009 1045 1014                 2     5HO23              A118


 50: 40   260205  1141 1215 1143                 2     3HO23              A118


 51: 40   260205  1248 1301D1252                 1-    5HO23              A118


 52: 40   260205  1301 1413D1304                 2+    5HO23              A118


 53: 40   260205  1413 1445D1422                 1+    2HO23              A118


 54: 40   260205  1445 1502 1447                 1-    2HO23              A118


 55: --   260205  1510 1555 1512                 2     5QD22              A118


 56: 40   260205  1510 1555 1512                 2     5HO23              A118


 57: 40   260206  0927 0943 0931                 1-    1HO23              A118


 58: 40   260206  1015 1037 1022                 1     5HO23              A118


 59: --   260208  1117 1300 1118                 3     5BZ20              A118


 60: --   260208  1117 1137D1118                 1     3QD22              A118


 61: 40   260208  1117 1137D1118                 1     5HO23              A118


 62: --   260208  1137 1315 1144                 3     2QD22              A118


 63: 40   260208  1137 1315 1144                 3     5HO23              A118


 64: --   260208  1350 1500 1353                 2+    5QD22              A118


 65: 40   260208  1350 1530 1353                 3     5HO23              A118


 66: 40   260209  1340 1415 1348                 2     4HO23              A118


 67: 40   260210  1302 1325 1306                 1     2HO23              A118


 68: --   260210  1257 1400 1308                 2+    3QD22              A118


 69: 40   260210  1257 1430 1308                 3     5HO23              A118


 70: --   260211  1257 1415 1305                 2+    3QD22              A118


 71: 40   260211  1258 1430 1307                 3     5HO23              A118


 72: --   260213  0844 0920 0854                 2     2BZ20              A118


 73: --   260213  0845 0920 0854                 2     2QD22              A118


 74: 40   260213  0843 0937 0852                 2+    5HO23              A118


 75: --   260214  1110 1135 1113                 1     3QD22              A118


 76: 40   260214  1110 1130D1113                 1     5HO23              A118


 77: --   260225  0852 0910 0855                 1-    1BZ20              A118


 78: 40   260225  0850 0908 0853                 1-    3HO23              A118


 79: --   260225  0945 0955 0948                 1-    1QD22              A118


 80: 40   260225  0945 1003 0947                 1-    5HO23              A118


 81: 40   260225  1115 1140 1122                 1     5HO23              A118


 82: --   260225  1550 1617 1557                 1+    5QD22              A118


 83: 40   260225  1550 1617 1557                 1+    5HO23              A118


 84: 40   260227  1255 1310 1259                 1-    5HO23              A118

55 events.

Event Event 1: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 09:57 UTC
Max: 10:01 UTC
End: 10:30 UTC
Duration: 33 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 1 detailed plot. Click to enlarge.
Event Event 2: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 10:30 UTC
Max: 10:38 UTC
End: 11:37 UTC
Duration: 67 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 2 detailed plot. Click to enlarge.
Event Event 3: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 11:53 UTC
Max: 12:10 UTC
End: after 12:25 UTC
Duration: 32 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 3 detailed plot. Click to enlarge.
Event Event 4: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 12:25 UTC
Max: 12:27 UTC
End: after 12:46 UTC
Duration: 21 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 4 detailed plot. Click to enlarge.
Event Event 5: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 12:46 UTC
Max: 12:48 UTC
End: after 13:54 UTC
Duration: 68 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 5 detailed plot. Click to enlarge.
Event Event 6: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 13:54 UTC
Max: 14:00 UTC
End: 14:20 UTC
Duration: 26 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 6 detailed plot. Click to enlarge.
Event Event 7: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 14:23 UTC
Max: 14:25 UTC
End: 14:45 UTC
Duration: 22 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 7 detailed plot. Click to enlarge.
Event Event 8: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 15:40 UTC
Max: 15:45 UTC
End: 15:56 UTC
Duration: 16 minutes (Importance: 1-)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 8 detailed plot. Click to enlarge.
Event Event 9: 01-Feb-26 - monitoring of HO23 by observer A118
Start: 16:02 UTC
Max: 16:05 UTC
End: 16:37 UTC
Duration: 35 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 9 detailed plot. Click to enlarge.
Event Event 10: 02-Feb-26 - monitoring of HO23 by observer A118
Start: 07:53 UTC
Max: 07:58 UTC
End: 09:50 UTC
Duration: 117 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 10 detailed plot. Click to enlarge.
Event Event 11: 02-Feb-26 - monitoring of HO23 by observer A118
Start: 10:19 UTC
Max: 10:24 UTC
End: after 10:57 UTC
Duration: 38 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 11 detailed plot. Click to enlarge.
Event Event 12: 02-Feb-26 - monitoring of HO23 by observer A118
Start: 10:57 UTC
Max: 10:58 UTC
End: 11:10 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 12 detailed plot. Click to enlarge.
Event Event 13: 02-Feb-26 - monitoring of HO23 by observer A118
Start: 11:17 UTC
Max: 11:21 UTC
End: 12:40 UTC
Duration: 83 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 13 detailed plot. Click to enlarge.
Event Event 14: 02-Feb-26 - monitoring of HO23 by observer A118
Start: 13:34 UTC
Max: 13:41 UTC
End: 14:04 UTC
Duration: 30 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 14 detailed plot. Click to enlarge.
Event Event 15: 02-Feb-26 - monitoring of HO23 by observer A118
Start: 14:56 UTC
Max: 14:59 UTC
End: 16:30 UTC
Duration: 94 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 15 detailed plot. Click to enlarge.
Event Event 16: 03-Feb-26 - monitoring of HO23 by observer A118
Start: 09:46 UTC
Max: 10:02 UTC
End: after 10:57 UTC
Duration: 71 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 16 detailed plot. Click to enlarge.
Event Event 17: 03-Feb-26 - monitoring of HO23 by observer A118
Start: 10:57 UTC
Max: 11:05 UTC
End: after 11:15 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 17 detailed plot. Click to enlarge.
Event Event 18: 03-Feb-26 - monitoring of HO23 by observer A118
Start: 11:15 UTC
Max: 11:22 UTC
End: 12:15 UTC
Duration: 60 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 18 detailed plot. Click to enlarge.
Event Event 19: 03-Feb-26 - monitoring of HO23 by observer A118
Start: 12:45 UTC
Max: 12:50 UTC
End: 13:07 UTC
Duration: 22 minutes (Importance: 1)
Confidence: 3 Confidence: Reasonable (3)
Event 19 detailed plot. Click to enlarge.
Event Event 20: 03-Feb-26 - monitoring of HO23 by observer A118
Start: 14:06 UTC
Max: 14:07 UTC
End: after 14:47 UTC
Duration: 41 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 20 detailed plot. Click to enlarge.
Event Event 21: 03-Feb-26 - monitoring of HO23 by observer A118
Start: 14:47 UTC
Max: 14:56 UTC
End: 15:55 UTC
Duration: 68 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 21 detailed plot. Click to enlarge.
Event Event 22: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 09:01 UTC
Max: 09:02 UTC
End: 09:13 UTC
Duration: 12 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 22 detailed plot. Click to enlarge.
Event Event 23: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 09:19 UTC
Max: 09:20 UTC
End: 09:52 UTC
Duration: 33 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 23 detailed plot. Click to enlarge.
Event Event 24: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 09:53 UTC
Max: 09:59 UTC
End: after 10:04 UTC
Duration: 11 minutes (Importance: 1-)
Confidence: 3 Confidence: Reasonable (3)
Event 24 detailed plot. Click to enlarge.
Event Event 25: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 10:04 UTC
Max: 10:07 UTC
End: after 10:12 UTC
Duration: 8 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 25 detailed plot. Click to enlarge.
Event Event 26: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 10:12 UTC
Max: 10:13 UTC
End: after 10:43 UTC
Duration: 31 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 26 detailed plot. Click to enlarge.
Event Event 27: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 10:43 UTC
Max: 10:47 UTC
End: after 11:32 UTC
Duration: 49 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 27 detailed plot. Click to enlarge.
Event Event 28: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 11:32 UTC
Max: 11:35 UTC
End: 11:55 UTC
Duration: 23 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 28 detailed plot. Click to enlarge.
Event Event 29: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 12:07 UTC
Max: 12:09 UTC
End: 15:00 UTC
Duration: 173 minutes (Importance: 3+)
Confidence: 5 Confidence: Definite (5)
Event 29 detailed plot. Click to enlarge.
Event Event 30: 04-Feb-26 - monitoring of HO23 by observer A118
Start: 15:32 UTC
Max: 15:35 UTC
End: 16:25 UTC
Duration: 53 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 30 detailed plot. Click to enlarge.
Event Event 31: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 08:28 UTC
Max: 08:30 UTC
End: after 08:43 UTC
Duration: 15 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 31 detailed plot. Click to enlarge.
Event Event 32: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 08:43 UTC
Max: 08:47 UTC
End: 09:07 UTC
Duration: 24 minutes (Importance: 1)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 32 detailed plot. Click to enlarge.
Event Event 33: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 10:09 UTC
Max: 10:14 UTC
End: 10:45 UTC
Duration: 36 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 33 detailed plot. Click to enlarge.
Event Event 34: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 11:41 UTC
Max: 11:43 UTC
End: 12:15 UTC
Duration: 34 minutes (Importance: 2)
Confidence: 3 Confidence: Reasonable (3)
Event 34 detailed plot. Click to enlarge.
Event Event 35: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 12:48 UTC
Max: 12:52 UTC
End: after 13:01 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 35 detailed plot. Click to enlarge.
Event Event 36: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 13:01 UTC
Max: 13:04 UTC
End: after 14:13 UTC
Duration: 72 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 36 detailed plot. Click to enlarge.
Event Event 37: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 14:13 UTC
Max: 14:22 UTC
End: after 14:45 UTC
Duration: 32 minutes (Importance: 1+)
Confidence: 2 Confidence: Fair (2)
Event 37 detailed plot. Click to enlarge.
Event Event 38: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 14:45 UTC
Max: 14:47 UTC
End: 15:02 UTC
Duration: 17 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 38 detailed plot. Click to enlarge.
Event Event 39: 05-Feb-26 - monitoring of HO23 by observer A118
Start: 15:10 UTC
Max: 15:12 UTC
End: 15:55 UTC
Duration: 45 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 39 detailed plot. Click to enlarge.
Event Event 40: 06-Feb-26 - monitoring of HO23 by observer A118
Start: 09:27 UTC
Max: 09:31 UTC
End: 09:43 UTC
Duration: 16 minutes (Importance: 1-)
Confidence: 1 Confidence: Possible (1)
Event 40 detailed plot. Click to enlarge.
Event Event 41: 06-Feb-26 - monitoring of HO23 by observer A118
Start: 10:15 UTC
Max: 10:22 UTC
End: 10:37 UTC
Duration: 22 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 41 detailed plot. Click to enlarge.
Event Event 42: 08-Feb-26 - monitoring of HO23 by observer A118
Start: 11:17 UTC
Max: 11:18 UTC
End: after 11:37 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 42 detailed plot. Click to enlarge.
Event Event 43: 08-Feb-26 - monitoring of HO23 by observer A118
Start: 11:37 UTC
Max: 11:44 UTC
End: 13:15 UTC
Duration: 98 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 43 detailed plot. Click to enlarge.
Event Event 44: 08-Feb-26 - monitoring of HO23 by observer A118
Start: 13:50 UTC
Max: 13:53 UTC
End: 15:30 UTC
Duration: 100 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 44 detailed plot. Click to enlarge.
Event Event 45: 09-Feb-26 - monitoring of HO23 by observer A118
Start: 13:40 UTC
Max: 13:48 UTC
End: 14:15 UTC
Duration: 35 minutes (Importance: 2)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 45 detailed plot. Click to enlarge.
Event Event 46: 10-Feb-26 - monitoring of HO23 by observer A118
Start: 13:02 UTC
Max: 13:06 UTC
End: 13:25 UTC
Duration: 23 minutes (Importance: 1)
Confidence: 2 Confidence: Fair (2)
Event 46 detailed plot. Click to enlarge.
Event Event 47: 10-Feb-26 - monitoring of HO23 by observer A118
Start: 12:57 UTC
Max: 13:08 UTC
End: 14:30 UTC
Duration: 93 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 47 detailed plot. Click to enlarge.
Event Event 48: 11-Feb-26 - monitoring of HO23 by observer A118
Start: 12:58 UTC
Max: 13:07 UTC
End: 14:30 UTC
Duration: 92 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 48 detailed plot. Click to enlarge.
Event Event 49: 13-Feb-26 - monitoring of HO23 by observer A118
Start: 08:43 UTC
Max: 08:52 UTC
End: 09:37 UTC
Duration: 54 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 49 detailed plot. Click to enlarge.
Event Event 50: 14-Feb-26 - monitoring of HO23 by observer A118
Start: 11:10 UTC
Max: 11:13 UTC
End: after 11:30 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 50 detailed plot. Click to enlarge.
Event Event 51: 25-Feb-26 - monitoring of HO23 by observer A118
Start: 08:50 UTC
Max: 08:53 UTC
End: 09:08 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 3 Confidence: Reasonable (3)
Event 51 detailed plot. Click to enlarge.
Event Event 52: 25-Feb-26 - monitoring of HO23 by observer A118
Start: 09:45 UTC
Max: 09:47 UTC
End: 10:03 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 52 detailed plot. Click to enlarge.
Event Event 53: 25-Feb-26 - monitoring of HO23 by observer A118
Start: 11:15 UTC
Max: 11:22 UTC
End: 11:40 UTC
Duration: 25 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 53 detailed plot. Click to enlarge.
Event Event 54: 25-Feb-26 - monitoring of HO23 by observer A118
Start: 15:50 UTC
Max: 15:57 UTC
End: 16:17 UTC
Duration: 27 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 54 detailed plot. Click to enlarge.
Event Event 55: 27-Feb-26 - monitoring of HO23 by observer A118
Start: 12:55 UTC
Max: 12:59 UTC
End: 13:10 UTC
Duration: 15 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 55 detailed plot. Click to enlarge.
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Last Update: 10 Dec 2010
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