PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/12-10:28:10 G01 300.4 37.0 6.5 +/- 1.02 9.9 +/- 1.02 0.040 / 0.040 G03 309.2 12.3 0.7 +/- 16.42 1.8 +/- 16.42 0.070 / 0.050 G10 113.0 35.0 6.3 +/- 0.53 10.0 +/- 0.53 0.080 / 0.060 G11 275.3 27.3 6.1 +/- 1.83 11.3 +/- 1.83 0.080 / 0.060 G14 0.7 65.3 5.6 +/- 0.45 6.1 +/- 0.45 0.070 / 0.080 G18 266.9 49.4 7.8 +/- 0.82 9.9 +/- 0.82 0.070 / 0.060 G22 313.0 36.0 5.5 +/- 1.31 8.5 +/- 1.31 0.380 / 0.350 G25 75.8 18.3 2.9 +/- 1.40 6.5 +/- 1.40 0.510 / 0.400 G31 149.0 73.7 7.4 +/- 0.67 7.6 +/- 0.67 0.110 / 0.180 G32 45.0 46.0 4.6 +/- 0.79 6.1 +/- 0.79 0.100 / 0.170