PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/26-02:28:10 G08 307.4 20.0 8.3 +/- 2.45 18.2 +/- 2.45 0.070 / 0.080 G10 336.4 60.6 6.9 +/- 0.51 7.8 +/- 0.51 0.050 / 0.080 G14 219.4 30.8 12.2 +/- 3.13 21.0 +/- 3.13 0.090 / 0.200 G15 47.3 11.1 5.6 +/- 1.75 15.2 +/- 1.75 0.100 / 0.190 G20 354.8 64.9 7.2 +/- 0.70 7.9 +/- 0.70 0.030 / 0.030 G21 136.4 56.0 8.3 +/- 1.12 9.8 +/- 1.12 0.040 / 0.040 G24 70.1 29.2 6.1 +/- 0.62 10.9 +/- 0.62 0.060 / 0.080 G27 272.2 37.0 10.2 +/- 1.01 15.6 +/- 1.01 0.080 / 0.080 G32 225.3 56.4 10.9 +/- 1.04 12.8 +/- 1.04 0.040 / 0.050