PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/26-04:42:40 G08 277.8 20.8 9.4 +/- 2.55 20.4 +/- 2.55 0.080 / 0.120 G10 46.9 60.2 4.3 +/- 0.73 4.9 +/- 0.73 0.140 / 0.150 G14 249.6 60.6 6.5 +/- 0.58 7.3 +/- 0.58 0.030 / 0.020 G18 315.8 25.6 5.1 +/- 1.59 9.8 +/- 1.59 0.030 / 0.020 G20 86.6 42.3 5.0 +/- 0.70 7.0 +/- 0.70 0.090 / 0.160 G21 153.3 23.9 5.7 +/- 2.44 11.3 +/- 2.44 0.090 / 0.180 G24 43.8 15.8 5.2 +/- 2.17 12.6 +/- 2.17 0.070 / 0.060 G27 239.1 22.0 7.7 +/- 1.29 16.1 +/- 1.29 0.080 / 0.060 G31 179.2 22.6 5.5 +/- 1.26 11.4 +/- 1.26 0.190 / 0.430 G32 294.8 75.5 4.5 +/- 0.29 4.6 +/- 0.29 0.390 / 0.460