SRB Warning System for GNSS Applications in Europe

Contact: iono@oma.be
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Last update : 2017-11-19 02:59:30 UTC L1 L2
Last 15min
Last 24h
Last week

Events of the last 30 days:

Frequency Date of the maximum fade Maximum fade
(in dB-Hz)
Beginning of the event (fade<-1dB-Hz) End of the event (fade>-1dB-Hz)

To detect Solar Radio Burst (SRB) affecting the GNSS signal reception in Europe, the carrier to noise density (C/N0) of the real-time EPN GPS network are monitored in near-real time (updated every 15 minutes). The intensity of the SRB impacts on GNSS applications are indexed at 4 levels:

  • quiet
  • moderate : SRB detected but should not impact GNSS applications,
  • strong : potential impact on GNSS applications,
  • severe : potential failure of the GNSS receivers.

Previous SRB Events at the GNSS frequencies

  • 2017-09-07 : Space weather event due to Solar Radio Burst (more here)
  • 2017-09-06 : Space weather event due to Solar Radio Burst (more here)
  • 2015-11-04 : Space weather event due to Solar Radio Burst (more here)
  • ... more events here