PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-08:57:50 G02 359.7 75.7 3.9 +/- 0.41 4.0 +/- 0.41 0.050 / 0.080 G05 165.4 33.7 4.6 +/- 0.96 7.5 +/- 0.96 0.070 / 0.090 G06 41.5 38.4 3.4 +/- 1.43 5.1 +/- 1.43 0.020 / 0.020 G12 307.6 75.0 4.0 +/- 0.40 4.1 +/- 0.40 0.030 / 0.030 G17 87.0 9.6 3.0 +/- 12.15 8.5 +/- 12.15 0.030 / 0.020 G19 77.0 24.0 6.5 +/- 2.45 13.0 +/- 2.45 0.030 / 0.020 G24 228.4 21.7 4.7 +/- 2.48 10.0 +/- 2.48 0.140 / 0.340 G25 316.5 30.4 4.4 +/- 2.01 7.6 +/- 2.01 0.160 / 0.300