PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/06-04:12:30 G07 322.6 54.2 3.5 +/- 0.44 4.2 +/- 0.44 0.040 / 0.040 G08 109.1 48.3 7.2 +/- 0.56 9.3 +/- 0.56 0.040 / 0.040 G09 191.9 79.7 5.7 +/- 0.46 5.7 +/- 0.46 0.070 / 0.040 G16 44.3 13.8 0.0 +/- 1.65 0.1 +/- 1.65 0.070 / 0.050 G23 152.8 53.2 6.6 +/- 0.40 8.0 +/- 0.40 0.090 / 0.270 G27 66.5 36.5 6.6 +/- 1.20 10.2 +/- 1.20 0.080 / 0.230 G28 230.5 20.9 6.0 +/- 3.30 12.8 +/- 3.30 0.030 / 0.020 G30 294.1 27.9 1.9 +/- 1.36 3.5 +/- 1.36 0.040 / 0.020