PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/11-02:27:40 G01 290.4 40.4 7.6 +/- 5.93 10.9 +/- 5.93 0.060 / 0.090 G03 311.9 16.3 7.7 +/- 2.74 18.5 +/- 2.74 0.070 / 0.080 G10 120.0 28.0 10.8 +/- 1.58 19.8 +/- 1.58 0.040 / 0.050 G11 263.6 25.7 11.2 +/- 3.41 21.6 +/- 3.41 0.050 / 0.050 G14 23.3 59.2 9.4 +/- 0.83 10.7 +/- 0.83 0.140 / 0.290 G18 250.7 47.4 13.2 +/- 10.27 17.3 +/- 10.27 0.120 / 0.210 G22 313.8 38.2 8.7 +/- 1.04 13.0 +/- 1.04 0.070 / 0.080 G25 64.6 18.0 6.7 +/- 1.19 15.4 +/- 1.19 0.070 / 0.090 G31 121.2 79.0 10.8 +/- 0.54 11.0 +/- 0.54 0.070 / 0.160 G32 52.3 40.7 6.9 +/- 1.26 9.9 +/- 1.26 0.080 / 0.140