PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/12-06:57:40 G01 51.5 25.9 5.3 +/- 2.41 10.1 +/- 2.41 0.040 / 0.050 G06 177.3 21.6 10.0 +/- 3.99 21.2 +/- 3.99 0.050 / 0.040 G07 144.6 15.7 9.6 +/- 1.26 23.6 +/- 1.26 0.220 / 0.280 G11 46.3 21.4 4.7 +/- 2.71 10.0 +/- 2.71 0.140 / 0.350 G13 252.8 33.2 11.8 +/- 1.94 19.3 +/- 1.94 0.030 / 0.030 G15 285.1 16.6 7.8 +/- 1.97 18.6 +/- 1.97 0.020 / 0.030 G17 292.3 79.5 9.9 +/- 0.43 10.0 +/- 0.43 0.040 / 0.070 G19 240.8 59.3 11.8 +/- 2.18 13.5 +/- 2.18 0.050 / 0.060 G28 33.5 58.8 4.8 +/- 0.92 5.5 +/- 0.92 0.210 / 0.270 G30 149.0 48.7 14.9 +/- 0.44 19.1 +/- 0.44 0.250 / 0.270