PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/05-05:43:00 G01 72.9 33.1 5.3 +/- 0.54 8.7 +/- 0.54 0.090 / 0.100 G07 136.2 30.7 9.0 +/- 0.84 15.5 +/- 0.84 0.060 / 0.080 G11 53.7 30.7 4.7 +/- 0.52 8.2 +/- 0.52 0.070 / 0.100 G13 276.3 38.1 7.4 +/- 1.19 11.1 +/- 1.19 0.050 / 0.090 G15 305.7 13.9 1.6 +/- 1.91 4.2 +/- 1.91 0.030 / 0.030 G17 230.6 70.4 8.4 +/- 0.94 8.9 +/- 0.94 0.030 / 0.030 G19 222.4 37.9 9.1 +/- 1.38 13.8 +/- 1.38 0.030 / 0.030 G28 12.3 60.3 5.7 +/- 0.61 6.5 +/- 0.61 0.030 / 0.030 G30 133.5 65.3 8.0 +/- 0.70 8.8 +/- 0.70 0.050 / 0.100