PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/19-02:13:00 G07 316.2 51.5 3.7 +/- 1.00 4.6 +/- 1.00 0.100 / 0.190 G08 117.9 45.8 6.9 +/- 0.98 9.2 +/- 0.98 0.150 / 0.190 G09 212.9 83.7 3.4 +/- 0.71 3.4 +/- 0.71 0.050 / 0.060 G16 43.6 15.6 2.5 +/- 1.29 6.0 +/- 1.29 0.040 / 0.060 G23 150.0 55.8 5.1 +/- 0.54 6.0 +/- 0.54 0.210 / 0.560 G27 69.5 36.2 3.9 +/- 0.49 6.1 +/- 0.49 0.210 / 0.480 G28 227.2 11.2 -2.0 +/- 18.73 -5.5 +/- 18.73 0.030 / 0.060 G30 290.3 24.1 5.0 +/- 1.19 9.9 +/- 1.19 0.040 / 0.060