PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/03-17:58:00 G01 85.8 32.7 13.9 +/- 1.53 23.1 +/- 1.53 0.190 / 0.200 G07 128.8 42.6 17.1 +/- 0.77 23.9 +/- 0.77 0.160 / 0.170 G11 65.0 38.5 13.2 +/- 1.80 19.7 +/- 1.80 0.030 / 0.050 G13 290.2 36.9 16.1 +/- 3.05 24.7 +/- 3.05 0.030 / 0.060 G15 313.5 10.9 3.7 +/- 28.46 10.2 +/- 28.46 0.020 / 0.030 G17 217.9 54.9 17.3 +/- 1.28 20.6 +/- 1.28 0.020 / 0.030 G18 60.3 23.1 12.9 +/- 1.22 26.3 +/- 1.22 0.100 / 0.140 G19 216.6 28.7 18.6 +/- 1.52 33.4 +/- 1.52 0.110 / 0.150 G28 356.7 61.4 14.2 +/- 0.87 15.9 +/- 0.87 0.050 / 0.100 G30 115.4 72.9 16.3 +/- 0.64 17.0 +/- 0.64 0.060 / 0.090