PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/25-02:43:10 G01 222.7 15.3 6.7 +/- 4.84 16.6 +/- 4.84 0.270 / 0.290 G03 284.2 68.3 4.4 +/- 0.56 4.7 +/- 0.56 0.250 / 0.310 G14 86.8 25.3 3.6 +/- 1.83 7.1 +/- 1.83 0.080 / 0.130 G16 142.1 47.2 6.5 +/- 0.44 8.5 +/- 0.44 0.160 / 0.180 G22 217.1 69.1 5.1 +/- 0.79 5.4 +/- 0.79 0.040 / 0.070 G23 309.9 40.3 4.2 +/- 1.06 6.1 +/- 1.06 0.040 / 0.070 G26 92.5 54.1 5.6 +/- 0.83 6.7 +/- 0.83 0.030 / 0.040 G31 46.7 28.9 2.7 +/- 1.73 4.9 +/- 1.73 0.040 / 0.040