{"id":"W2573739355","doi":"10.1016/j.asr.2017.01.011","title":"The Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS) – Achievements, prospects and challenges","year":2017,"lang":"en","type":"article","venue":"Advances in Space Research","topic":"GNSS positioning and interference","field":"Engineering","cited_by":851,"is_retracted":false,"has_abstract":false,"ca_institutions":"Natural Resources Canada","funders":"","keywords":"GNSS applications; GLONASS; Quasi-Zenith Satellite System; Galileo (satellite navigation); Global Positioning System; Computer science; Satellite system; Constellation; Service (business); Precise Point Positioning; Satellite; Remote sensing; Systems engineering; Telecommunications; Geography; Engineering; Aerospace engineering; Business","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09295504454857166,"score_gpt":0.3861753154010906,"score_spread":0.2932202708525189,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}