Due to an issue registered on the VFM (Vector Field Magnetometer) on board Swarm Alpha, several gaps have been identified in the VFM science data from 7 December at 14:33 UTC to 10 December at 12:11 UTC.

The quality of L2 Cat-2 FAC and IBI data is also affected.

The instrument reboot has been performed on 10 December and the data quality has been restored.