PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/12-10:42:50 G02 222.3 64.5 3.9 +/- 1.06 4.2 +/- 1.06 0.070 / 0.090 G06 47.5 69.5 3.5 +/- 0.38 3.7 +/- 0.38 0.080 / 0.080 G12 320.2 42.1 3.6 +/- 0.75 5.0 +/- 0.75 0.040 / 0.050 G17 63.4 26.5 0.7 +/- 1.85 1.2 +/- 1.85 0.040 / 0.050 G19 42.7 47.8 3.7 +/- 1.03 4.7 +/- 1.03 0.040 / 0.050 G24 252.3 40.1 4.3 +/- 3.27 6.3 +/- 3.27 0.050 / 0.040 G28 125.9 10.7 5.1 +/- 2.90 14.0 +/- 2.90 0.020 / 0.020