PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/11-03:43:00 G01 120.1 16.9 6.6 +/- 0.79 15.6 +/- 0.79 0.090 / 0.150 G07 81.4 65.4 6.5 +/- 0.40 7.0 +/- 0.40 0.100 / 0.160 G08 44.6 30.0 3.1 +/- 0.94 5.4 +/- 0.94 0.120 / 0.330 G09 175.5 25.3 5.6 +/- 1.27 10.8 +/- 1.27 0.110 / 0.330 G11 106.0 39.7 6.0 +/- 1.11 8.8 +/- 1.11 0.030 / 0.050 G13 318.0 18.9 4.3 +/- 2.44 9.8 +/- 2.44 0.030 / 0.040 G17 200.2 25.8 6.1 +/- 1.85 11.6 +/- 1.85 0.030 / 0.040 G18 92.1 20.1 6.9 +/- 0.52 15.1 +/- 0.52 0.030 / 0.030 G28 287.3 55.5 6.1 +/- 1.04 7.2 +/- 1.04 0.130 / 0.270 G30 341.5 66.6 3.3 +/- 0.51 3.6 +/- 0.51 0.140 / 0.210