PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-07:42:50 G02 218.4 65.8 6.0 +/- 1.06 6.5 +/- 1.06 0.050 / 0.040 G06 51.8 71.6 5.5 +/- 0.48 5.7 +/- 0.48 0.040 / 0.050 G12 319.5 40.6 4.4 +/- 1.61 6.3 +/- 1.61 0.080 / 0.080 G17 59.6 29.7 4.3 +/- 0.58 7.6 +/- 0.58 0.090 / 0.090 G19 44.2 45.5 4.4 +/- 0.55 5.9 +/- 0.55 0.070 / 0.220 G24 263.1 40.3 7.2 +/- 1.11 10.4 +/- 1.11 0.100 / 0.280 G28 122.0 19.5 8.6 +/- 0.89 19.0 +/- 0.89 0.040 / 0.060