11 1 PATH DELAY QUALITY IS CONSIDERED POOR 22 2 GALILEO SATELLITES USED 33 3 GLONASS SATELLITES USED 44 4 GPS SATELLITES USED 55 5 BEIDOU SATELLITES USED 69 9 METEOROLOGICAL DATA APPLIED 710 10 ATMOSPHERIC LOADING CORRECTION APPLIED 811 11 OCEAN TIDE LOADING APPLIED 912 12 SECOND ORDER IONOSPHERE CORRECTIONS APPLIED 1013 13 THIRD ORDER IONOSPHERE CORRECTIONS APPLIED 1114 14 PPP SOLUTION 1215 15 GRADIENTS APPLIED TO PATH DELAY 1316 16 MULTIPATH CORRECTIONS APPLIED TO PATH DELAY 1417 17 RESIDUAL APPLIED TO PATH DELAY 1518 18 CLIMATE QUALITY DATA PROCESSING 1619 19 RE-PROCESSING 1720 20 POST-PROCESSING 1821 21 NEAR-REAL TIME DATA PROCESSING 1922 22 REAL TIME DATA PROCESSING 20