4500 20200127162546.0 DATASET-2020-0005 Legrand, J. Multi-GNSS data quality checks (update for 2019) 2019 The long-term tracking performance for the EPN stations based on the ratio observed/expected observations, maximum number of observations, number of cycle slips and multipath updated dynamically from the database. The numbers are obtained using the G-Nut/Anubis software, developed by the Geodetic observatory Pecný, Czech Republic. Input files are the daily RINEX 2 and RINEX 3 observation files. All of the quality plots contain information for the GPS, Glonass, Galileo, Beidou, QZSS constellations on all available frequencies. Updated daily NO Bruyninx, C. juliette.legrand@observatoire.be http://epncb.oma.be/_networkdata/data_quality/ DATASET