PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/04-08:28:10 G01 311.0 30.0 5.2 +/- 2.03 9.2 +/- 2.03 0.040 / 0.060 G10 100.9 43.4 5.3 +/- 0.62 7.3 +/- 0.62 0.050 / 0.060 G11 287.9 27.4 3.8 +/- 1.32 7.0 +/- 1.32 0.100 / 0.140 G14 332.9 69.2 5.0 +/- 0.86 5.3 +/- 0.86 0.110 / 0.120 G18 285.8 48.3 6.1 +/- 0.94 7.9 +/- 0.94 0.300 / 0.240 G22 308.7 25.0 4.2 +/- 1.48 8.2 +/- 1.48 0.090 / 0.170 G25 87.3 15.1 3.5 +/- 1.06 8.6 +/- 1.06 0.100 / 0.190 G31 166.4 61.6 7.1 +/- 0.67 7.9 +/- 0.67 0.130 / 0.190 G32 33.1 54.4 4.0 +/- 0.73 4.8 +/- 0.73 0.040 / 0.060