PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/15-02:42:40 G07 324.3 55.0 4.5 +/- 0.45 5.3 +/- 0.45 0.110 / 0.140 G08 109.2 49.2 6.5 +/- 0.34 8.3 +/- 0.34 0.110 / 0.180 G09 188.7 77.9 5.4 +/- 0.30 5.5 +/- 0.30 0.040 / 0.040 G16 45.2 10.5 1.4 +/- 4.77 3.9 +/- 4.77 0.040 / 0.040 G23 153.1 49.0 6.9 +/- 0.91 8.8 +/- 0.91 0.300 / 0.420 G27 62.1 34.4 4.1 +/- 0.95 6.6 +/- 0.95 0.190 / 0.270 G28 230.8 16.4 5.8 +/- 1.86 14.0 +/- 1.86 0.130 / 0.530 G30 295.1 28.1 3.9 +/- 1.22 7.2 +/- 1.22 0.120 / 0.610