Power Line Frequency in Germany - Actual Traces

Update: 1x/hour (please refresh page in browser!)
Realtime warning when frequency drops below 49.8Hz via Telegram channel: Netzwecker
Download raw data (1 sample/s) from yesterday (gzip): lineFreqYesterday.txt.gz
Accuracy: <+-0.005Hz

Top 10 Events

The 10 days with the lowest frequencies since start of recording (2019-08-06). The list is created automatically but the PNG graphs will be added manually, so please allow some delay. Note the scaling graphs:

How it works