PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/01-19:12:50 G01 51.5 26.4 10.3 +/- 1.18 19.6 +/- 1.18 0.140 / 0.370 G06 177.3 24.4 16.2 +/- 1.59 32.1 +/- 1.59 0.100 / 0.370 G07 145.8 14.3 16.1 +/- 4.62 40.8 +/- 4.62 0.160 / 0.310 G11 45.2 16.9 8.4 +/- 0.91 19.9 +/- 0.91 0.150 / 0.340 G13 252.3 31.2 13.4 +/- 1.18 22.9 +/- 1.18 0.030 / 0.030 G15 286.2 15.6 10.1 +/- 1.79 24.8 +/- 1.79 0.030 / 0.030 G17 293.6 77.9 14.1 +/- 0.77 14.3 +/- 0.77 0.030 / 0.060 G19 243.3 56.7 13.8 +/- 0.96 16.2 +/- 0.96 0.040 / 0.060 G28 50.3 53.5 11.5 +/- 0.44 13.9 +/- 0.44 0.090 / 0.290 G30 148.9 42.7 15.0 +/- 1.11 20.9 +/- 1.11 0.130 / 0.360