PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/23-07:27:50 G02 200.0 25.1 6.5 +/- 1.71 12.6 +/- 1.71 0.120 / 0.300 G06 167.5 57.6 10.6 +/- 0.84 12.3 +/- 0.84 0.120 / 0.260 G12 301.5 10.2 -7.9 +/- 11.18 -22.1 +/- 11.18 0.090 / 0.380 G13 223.5 11.4 5.2 +/- 3.83 14.2 +/- 3.83 0.090 / 0.230 G17 25.8 57.1 5.8 +/- 0.47 6.8 +/- 0.47 0.090 / 0.210 G19 339.8 70.3 6.3 +/- 0.66 6.7 +/- 0.66 0.040 / 0.070 G24 308.3 30.5 4.0 +/- 1.74 6.9 +/- 1.74 0.040 / 0.080 G28 85.1 45.0 6.6 +/- 0.66 8.9 +/- 0.66 0.030 / 0.030 G30 158.7 14.8 9.6 +/- 3.30 23.9 +/- 3.30 0.030 / 0.030