PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/29-01:42:40 G08 319.0 12.7 7.7 +/- 1.88 20.3 +/- 1.88 0.050 / 0.080 G10 308.9 55.3 8.6 +/- 0.81 10.2 +/- 0.81 0.050 / 0.080 G14 212.7 16.8 15.5 +/- 3.36 36.9 +/- 3.36 0.080 / 0.290 G15 45.7 24.1 6.5 +/- 0.89 12.9 +/- 0.89 0.100 / 0.350 G20 319.4 59.3 9.1 +/- 0.50 10.4 +/- 0.50 0.100 / 0.130 G21 114.8 69.9 10.9 +/- 1.42 11.5 +/- 1.42 0.090 / 0.140 G24 87.7 28.5 8.6 +/- 0.92 15.6 +/- 0.92 0.060 / 0.050 G27 292.0 36.7 9.8 +/- 0.81 15.1 +/- 0.81 0.040 / 0.040 G32 213.8 41.2 13.0 +/- 0.73 18.5 +/- 0.73 0.030 / 0.050