PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/31-02:57:40 G01 298.9 37.8 7.2 +/- 1.70 10.8 +/- 1.70 0.090 / 0.090 G03 309.0 9.9 -12.6 +/- 22.81 -35.2 +/- 22.81 0.080 / 0.110 G10 114.2 33.5 7.0 +/- 1.18 11.5 +/- 1.18 0.070 / 0.120 G11 270.8 27.6 6.0 +/- 1.31 11.0 +/- 1.31 0.110 / 0.090 G14 12.3 62.9 6.1 +/- 0.64 6.8 +/- 0.64 0.040 / 0.040 G18 262.5 49.6 5.3 +/- 4.11 6.7 +/- 4.11 0.040 / 0.040 G22 312.1 31.2 5.4 +/- 1.58 9.2 +/- 1.58 0.080 / 0.180 G25 72.6 17.9 5.4 +/- 1.19 12.5 +/- 1.19 0.110 / 0.180 G31 144.7 74.8 6.8 +/- 0.67 7.0 +/- 0.67 0.070 / 0.130 G32 46.4 44.9 4.6 +/- 0.42 6.2 +/- 0.42 0.060 / 0.120