PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/25-14:12:30 G02 349.6 76.6 5.0 +/- 0.69 5.1 +/- 0.69 0.080 / 0.080 G05 165.1 35.1 9.6 +/- 1.54 15.2 +/- 1.54 0.040 / 0.070 G06 42.3 36.0 5.0 +/- 0.97 7.7 +/- 0.97 0.080 / 0.140 G12 304.3 75.5 4.4 +/- 0.86 4.5 +/- 0.86 0.090 / 0.170 G17 87.5 10.8 6.0 +/- 2.18 16.5 +/- 2.18 0.020 / 0.030 G19 78.5 23.3 5.7 +/- 1.79 11.6 +/- 1.79 0.020 / 0.030 G24 227.2 20.6 7.7 +/- 1.94 16.7 +/- 1.94 0.050 / 0.060 G25 316.4 30.9 6.2 +/- 2.06 10.7 +/- 2.06 0.050 / 0.070 G29 287.7 10.2 -10.9 +/- 5.33 -30.4 +/- 5.33 0.080 / 0.110