8021 20260220140611.0 https://doi.org/10.24414/ROB-GNSS-M3G DOI DATASET-2026-0019 Fabian, Andras M3G Metadata Management and Distribution System for Multiple GNSS Networks (update for 2025) 2025 NO Miglio, Anna Bruyninx, Carine Legrand, Juliette carine.bruyninx@ksb-orb.be https://gnss-metadata.eu) DATASET