PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/03-03:58:00 G01 255.6 37.4 7.2 +/- 0.78 11.0 +/- 0.78 0.040 / 0.050 G03 316.4 37.8 5.2 +/- 1.29 7.9 +/- 1.29 0.040 / 0.040 G11 239.0 14.0 7.7 +/- 1.82 19.5 +/- 1.82 0.060 / 0.090 G14 55.8 43.5 3.4 +/- 0.65 4.6 +/- 0.65 0.050 / 0.100 G18 223.1 30.3 7.0 +/- 0.51 12.1 +/- 0.51 0.050 / 0.090 G22 309.1 60.7 5.9 +/- 1.28 6.6 +/- 1.28 0.040 / 0.080 G25 41.9 11.4 3.5 +/- 2.22 9.4 +/- 2.22 0.120 / 0.260 G26 136.9 35.7 7.1 +/- 1.04 11.1 +/- 1.04 0.120 / 0.340 G31 42.5 59.9 3.7 +/- 0.57 4.2 +/- 0.57 0.140 / 0.360 G32 75.0 23.6 4.5 +/- 0.77 9.0 +/- 0.77 0.210 / 0.460