ALDIS (Austrian Lightning Detection & Information System) detects lightning activity in Austria. All the lightning data is stored in a database. The system is a cooperation between the Austrian Electrotechnical Association and the Austrian Power Grid AG.
ALDIS Milestones:
| Fall | 1991 | Installation of sensors and test period |
| January | 1992 | Start of operation |
| June | 1994 | Upgrade to IMPACT technology |
| November | 1995 | Storage of stroke data in the database |
| June | 1997 | Test period of LP2000 |
| January | 1998 | Start of operation of LP2000 |
| May | 1998 | Integration of Slovenian sensors |
| June | 1998 | Integration of German sensors |
| May | 2000 | Official start of the EUCLID cooperation |
| April | 2006 | Renewal of all Austrian sensors completed |
| July | 2011 | Usage of sensor based onsettime calculation |
| December | 2012 | Correction of systematical time error |
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