PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/04-15:43:00 G01 247.4 34.1 8.3 +/- 1.20 13.4 +/- 1.20 0.050 / 0.090 G03 315.4 49.4 23.7 +/- 1.08 30.2 +/- 1.08 0.050 / 0.070 G14 63.6 38.4 7.9 +/- 0.39 11.8 +/- 0.39 0.050 / 0.130 G18 215.5 24.0 9.2 +/- 1.56 18.4 +/- 1.56 0.050 / 0.110 G22 297.1 71.3 7.5 +/- 0.79 7.8 +/- 0.79 0.060 / 0.040 G23 288.3 20.1 6.5 +/- 1.35 14.3 +/- 1.35 0.060 / 0.040 G26 139.7 38.7 10.2 +/- 0.82 15.2 +/- 0.82 0.080 / 0.300 G31 40.4 58.5 7.1 +/- 0.47 8.2 +/- 0.47 0.090 / 0.330 G32 77.7 24.4 8.8 +/- 0.73 17.5 +/- 0.73 0.080 / 0.130