PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/27-00:57:40 G03 190.3 18.4 7.5 +/- 1.81 17.1 +/- 1.81 0.270 / 0.590 G07 294.5 40.5 3.9 +/- 0.94 5.6 +/- 0.94 0.270 / 0.540 G08 137.4 31.5 6.2 +/- 0.84 10.5 +/- 0.84 0.060 / 0.150 G09 321.4 72.2 4.3 +/- 0.38 4.5 +/- 0.38 0.080 / 0.140 G16 42.5 32.7 2.1 +/- 1.61 3.4 +/- 1.61 0.060 / 0.130 G23 127.2 76.1 4.3 +/- 0.33 4.4 +/- 0.33 0.060 / 0.130 G27 94.5 34.9 5.0 +/- 0.59 7.9 +/- 0.59 0.200 / 0.470 G30 275.8 12.2 4.7 +/- 10.56 12.5 +/- 10.56 0.160 / 0.370