PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/04-02:27:50 G01 47.3 23.4 2.5 +/- 1.20 5.2 +/- 1.20 0.090 / 0.140 G06 179.6 24.9 4.6 +/- 1.77 9.0 +/- 1.77 0.070 / 0.140 G11 43.5 11.0 2.7 +/- 2.17 7.5 +/- 2.17 0.050 / 0.060 G13 246.5 28.9 3.9 +/- 1.43 7.0 +/- 1.43 0.050 / 0.050 G15 280.6 15.0 -0.1 +/- 1.73 -0.2 +/- 1.73 0.130 / 0.210 G17 341.9 76.9 4.3 +/- 0.55 4.4 +/- 0.55 0.110 / 0.320 G19 250.9 61.5 4.2 +/- 0.44 4.7 +/- 0.44 0.090 / 0.140 G24 318.0 13.3 2.2 +/- 1.82 5.7 +/- 1.82 0.100 / 0.140 G28 53.3 53.5 4.1 +/- 1.39 4.9 +/- 1.39 0.050 / 0.040 G30 151.3 38.7 5.0 +/- 0.39 7.4 +/- 0.39 0.050 / 0.040