PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/16-07:58:00 G01 46.7 22.9 3.2 +/- 2.13 6.5 +/- 2.13 0.130 / 0.230 G06 176.9 29.0 4.7 +/- 1.31 8.4 +/- 1.31 0.150 / 0.290 G11 43.4 10.1 1.8 +/- 4.30 5.0 +/- 4.30 0.070 / 0.120 G13 245.6 28.2 6.0 +/- 1.93 10.9 +/- 1.93 0.090 / 0.160 G15 282.1 14.3 2.9 +/- 1.20 7.3 +/- 1.20 0.060 / 0.130 G17 345.9 76.1 6.6 +/- 0.68 6.8 +/- 0.68 0.110 / 0.160 G19 251.4 60.3 6.8 +/- 0.38 7.7 +/- 0.38 0.120 / 0.140 G24 317.7 15.2 2.0 +/- 2.36 4.9 +/- 2.36 0.100 / 0.150 G28 56.6 52.3 4.7 +/- 0.46 5.8 +/- 0.46 0.030 / 0.030 G30 152.1 38.6 7.5 +/- 0.99 11.1 +/- 0.99 0.030 / 0.030