PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/12-03:58:00 G07 328.9 56.7 4.9 +/- 0.65 5.8 +/- 0.65 0.040 / 0.030 G08 102.1 50.0 7.7 +/- 0.73 9.8 +/- 0.73 0.030 / 0.040 G09 184.9 75.3 7.1 +/- 0.52 7.3 +/- 0.52 0.060 / 0.060 G11 147.1 11.2 6.5 +/- 5.08 17.6 +/- 5.08 0.070 / 0.050 G16 45.6 10.4 2.8 +/- 2.56 7.7 +/- 2.56 0.050 / 0.040 G23 154.8 48.6 6.9 +/- 0.79 8.9 +/- 0.79 0.030 / 0.050 G27 61.5 35.1 6.9 +/- 1.03 11.0 +/- 1.03 0.030 / 0.020 G28 233.4 24.4 6.1 +/- 2.76 12.0 +/- 2.76 0.040 / 0.020 G30 297.5 30.8 5.1 +/- 1.68 8.9 +/- 1.68 0.230 / 0.420