PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/16-06:27:30 G01 91.4 31.4 5.7 +/- 0.57 9.6 +/- 0.57 0.030 / 0.030 G07 124.8 44.7 7.0 +/- 1.52 9.5 +/- 1.52 0.020 / 0.030 G11 68.0 39.3 4.2 +/- 0.41 6.2 +/- 0.41 0.060 / 0.050 G13 295.4 36.1 5.1 +/- 1.12 7.9 +/- 1.12 0.050 / 0.050 G17 212.8 55.2 8.5 +/- 0.79 10.1 +/- 0.79 0.080 / 0.100 G18 62.3 22.8 2.3 +/- 0.90 4.7 +/- 0.90 0.070 / 0.130 G19 214.2 23.4 8.1 +/- 1.04 16.5 +/- 1.04 0.060 / 0.170 G28 343.2 61.8 3.9 +/- 0.76 4.3 +/- 0.76 0.060 / 0.160 G30 95.9 78.4 5.6 +/- 0.44 5.7 +/- 0.44 0.060 / 0.130