PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/10-17:12:50 G01 94.8 30.7 12.9 +/- 0.86 22.3 +/- 0.86 0.040 / 0.040 G07 121.6 49.2 15.0 +/- 0.44 19.0 +/- 0.44 0.020 / 0.040 G08 42.1 11.8 9.5 +/- 2.03 25.6 +/- 2.03 0.030 / 0.060 G11 73.8 41.4 13.4 +/- 0.79 19.0 +/- 0.79 0.040 / 0.050 G13 298.9 34.6 12.7 +/- 1.16 20.3 +/- 1.16 0.220 / 0.230 G17 212.3 47.7 16.0 +/- 1.13 20.8 +/- 1.13 0.140 / 0.320 G18 68.0 24.5 11.9 +/- 0.59 23.5 +/- 0.59 0.030 / 0.050 G19 213.2 21.6 15.0 +/- 1.45 31.7 +/- 1.45 0.040 / 0.060 G28 341.4 61.9 11.3 +/- 0.70 12.6 +/- 0.70 0.040 / 0.050 G30 88.2 78.3 12.2 +/- 0.52 12.4 +/- 0.52 0.040 / 0.050