Table 3 Details of intense geomagnetic storms with Dst < −50 nT and effects on VLF signals during data analysis
From: Space weather effects on the low latitude D-region ionosphere during solar minimum
Storm days | Dst | VLF amplitude perturbations |
|---|---|---|
14 to 16 Dec 2006 | −146 nT | Seen on NWC and NPM |
24 to 25 March 2007 | −72 nT | None |
21 to 22 May 2007 | −63 nT | None |
25 to 26 October 2007 | −52 nT | None |
20 to 21 November 2007 | −59 nT | No data |
8 to 9 March 2008 | −72 nT | None |
11 to 12 October 2008 | −54 nT | None |