PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/03-04:43:10 G01 108.5 24.6 7.6 +/- 1.04 15.0 +/- 1.04 0.070 / 0.170 G07 106.0 57.4 6.0 +/- 0.43 6.9 +/- 0.43 0.070 / 0.190 G08 41.6 19.1 3.0 +/- 1.01 6.7 +/- 1.01 0.030 / 0.040 G09 173.4 12.9 7.3 +/- 2.19 19.1 +/- 2.19 0.030 / 0.040 G11 88.6 42.4 6.2 +/- 0.98 8.7 +/- 0.98 0.030 / 0.030 G13 310.5 28.1 2.7 +/- 1.65 5.0 +/- 1.65 0.030 / 0.030 G17 204.0 38.9 7.5 +/- 0.79 11.1 +/- 0.79 0.050 / 0.090 G28 310.9 59.9 5.5 +/- 0.94 6.2 +/- 0.94 0.040 / 0.090 G30 9.8 76.8 5.7 +/- 0.46 5.8 +/- 0.46 0.040 / 0.050