PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/14-02:12:50 G01 228.5 19.3 9.4 +/- 1.81 21.0 +/- 1.81 0.040 / 0.040 G03 295.9 64.7 4.0 +/- 1.28 4.3 +/- 1.28 0.040 / 0.040 G09 293.7 10.3 -14.8 +/- 15.76 -41.0 +/- 15.76 0.110 / 0.230 G14 83.7 26.2 5.2 +/- 1.59 9.9 +/- 1.59 0.160 / 0.260 G16 147.7 42.5 8.2 +/- 0.73 11.5 +/- 0.73 0.110 / 0.220 G22 228.8 72.8 6.1 +/- 0.88 6.3 +/- 0.88 0.110 / 0.210 G23 304.3 33.9 6.8 +/- 0.81 11.1 +/- 0.81 0.060 / 0.100 G26 102.9 53.5 6.4 +/- 0.62 7.7 +/- 0.62 0.040 / 0.080 G31 44.1 35.3 3.9 +/- 0.80 6.2 +/- 0.80 0.050 / 0.100