PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/12-08:43:00 G01 39.4 13.7 2.5 +/- 3.32 6.4 +/- 3.32 0.210 / 0.170 G06 174.1 42.8 7.2 +/- 0.77 10.0 +/- 0.77 0.120 / 0.140 G13 234.2 19.8 5.7 +/- 3.18 12.6 +/- 3.18 0.250 / 0.240 G17 13.4 65.9 4.9 +/- 0.67 5.3 +/- 0.67 0.200 / 0.260 G19 280.8 68.3 5.3 +/- 0.65 5.7 +/- 0.65 0.090 / 0.470 G24 313.6 25.6 3.7 +/- 1.65 7.1 +/- 1.65 0.140 / 0.400 G28 74.6 46.4 4.7 +/- 0.72 6.2 +/- 0.72 0.040 / 0.030 G30 156.0 25.6 5.5 +/- 1.55 10.7 +/- 1.55 0.030 / 0.030