PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/12-00:43:00 G01 239.3 28.3 6.3 +/- 1.33 11.5 +/- 1.33 0.040 / 0.030 G03 311.4 53.5 3.9 +/- 1.10 4.7 +/- 1.10 0.050 / 0.040 G14 72.4 33.2 3.5 +/- 0.43 5.7 +/- 0.43 0.070 / 0.220 G16 162.8 25.6 9.8 +/- 0.84 18.8 +/- 0.84 0.070 / 0.200 G22 280.9 73.7 5.5 +/- 0.53 5.7 +/- 0.53 0.080 / 0.150 G23 294.6 25.3 4.7 +/- 1.06 9.2 +/- 1.06 0.080 / 0.150 G26 129.1 46.1 8.9 +/- 0.58 11.9 +/- 0.58 0.040 / 0.050 G31 39.5 50.9 2.7 +/- 0.79 3.3 +/- 0.79 0.040 / 0.050 G32 86.1 17.6 4.4 +/- 1.69 10.2 +/- 1.69 0.060 / 0.120