PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/22-02:43:00 G01 253.8 36.7 7.9 +/- 1.32 12.1 +/- 1.32 0.040 / 0.040 G03 316.4 40.2 7.4 +/- 1.93 10.8 +/- 1.93 0.040 / 0.040 G11 238.2 13.2 11.2 +/- 2.13 29.0 +/- 2.13 0.070 / 0.100 G14 57.2 42.8 5.2 +/- 0.76 7.2 +/- 0.76 0.060 / 0.100 G18 221.3 28.9 9.2 +/- 1.00 16.4 +/- 1.00 0.050 / 0.100 G22 307.5 63.1 6.8 +/- 0.71 7.5 +/- 0.71 0.040 / 0.090 G23 284.5 17.2 -0.9 +/- 11.04 -2.1 +/- 11.04 0.270 / 0.520 G26 137.5 36.4 8.8 +/- 1.16 13.6 +/- 1.16 0.210 / 0.640 G31 42.0 60.4 5.1 +/- 0.31 5.8 +/- 0.31 0.080 / 0.290 G32 75.8 23.5 6.4 +/- 1.49 13.1 +/- 1.49 0.090 / 0.230