PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/16-06:12:40 G01 64.8 31.0 4.6 +/- 0.75 7.9 +/- 0.75 0.030 / 0.040 G07 138.8 27.9 6.6 +/- 0.83 12.2 +/- 0.83 0.030 / 0.040 G11 52.7 31.8 4.3 +/- 0.99 7.3 +/- 0.99 0.060 / 0.130 G13 268.7 38.2 9.0 +/- 1.33 13.6 +/- 1.33 0.050 / 0.110 G15 297.5 16.7 3.5 +/- 1.46 8.3 +/- 1.46 0.070 / 0.210 G17 238.0 72.2 7.7 +/- 0.91 8.1 +/- 0.91 0.080 / 0.220 G19 225.7 47.4 8.9 +/- 1.71 11.7 +/- 1.71 0.060 / 0.120 G28 8.6 61.1 3.7 +/- 0.62 4.2 +/- 0.62 0.080 / 0.110 G30 139.6 62.5 7.8 +/- 1.23 8.7 +/- 1.23 0.050 / 0.070