PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/18-04:58:00 G01 127.1 11.4 6.3 +/- 3.42 17.2 +/- 3.42 0.100 / 0.270 G07 57.2 68.7 5.5 +/- 0.46 5.8 +/- 0.46 0.150 / 0.200 G08 49.2 37.2 5.2 +/- 1.56 8.0 +/- 1.56 0.170 / 0.360 G09 175.5 33.2 7.0 +/- 1.28 11.6 +/- 1.28 0.190 / 0.290 G11 116.4 35.7 7.7 +/- 1.30 12.1 +/- 1.30 0.100 / 0.110 G13 321.0 11.9 -5.3 +/- 11.21 -14.1 +/- 11.21 0.090 / 0.090 G17 198.8 17.0 5.3 +/- 1.61 12.5 +/- 1.61 0.030 / 0.020 G28 274.0 51.5 7.0 +/- 2.63 8.7 +/- 2.63 0.040 / 0.030 G30 330.5 59.2 4.2 +/- 0.68 4.8 +/- 0.68 0.080 / 0.100