PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/16-02:42:40 G08 317.4 14.1 6.2 +/- 2.21 15.8 +/- 2.21 0.050 / 0.060 G10 314.0 56.5 7.9 +/- 1.62 9.2 +/- 1.62 0.050 / 0.070 G14 213.9 19.2 13.7 +/- 1.21 30.7 +/- 1.21 0.040 / 0.040 G15 45.7 21.0 6.3 +/- 2.56 13.6 +/- 2.56 0.040 / 0.030 G20 341.3 63.9 12.0 +/- 0.58 13.2 +/- 0.58 0.070 / 0.110 G21 120.8 67.2 9.9 +/- 0.52 10.6 +/- 0.52 0.070 / 0.120 G24 84.4 29.1 8.4 +/- 1.02 15.0 +/- 1.02 0.310 / 0.470 G27 288.0 37.3 11.4 +/- 1.70 17.4 +/- 1.70 0.260 / 0.490 G32 215.7 44.3 12.2 +/- 1.24 16.6 +/- 1.24 0.300 / 0.310