advance alert of expected reduced GPS accuracy

GPS Space Weather Service - advance warning of increased GPS positioning errors

Source	SIDC + GPS Section of the Royal Observatory of Belgium
Frequency	ASAP, when needed
Format	Plain text
Mail header	advance alert of expected reduced GPS accuracy
SIDC code	gpsAL

Latest issue

The MAK model forecasts a K-index of 9.
This corresponds to severe geomagnetic storm level,
which may lead to reduced GPS accuracy.

Details

This contains a single line indicating that the RTK positioning is expected to reach severely (red conditions) or extremely (black conditions) disturbed conditions.

Check the ISES code book for information on ISES codes.