PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/04-05:28:00 G01 51.3 25.7 4.4 +/- 2.11 8.5 +/- 2.11 0.040 / 0.050 G06 177.5 21.4 5.5 +/- 1.68 11.7 +/- 1.68 0.040 / 0.050 G07 144.7 16.1 6.3 +/- 4.15 15.2 +/- 4.15 0.100 / 0.230 G11 46.5 22.0 4.1 +/- 2.36 8.6 +/- 2.36 0.100 / 0.240 G13 252.7 33.2 6.2 +/- 1.99 10.2 +/- 1.99 0.040 / 0.050 G15 284.2 16.8 2.8 +/- 1.82 6.7 +/- 1.82 0.040 / 0.050 G17 296.0 79.8 6.6 +/- 0.45 6.7 +/- 0.45 0.030 / 0.010 G19 240.8 59.4 6.6 +/- 1.91 7.5 +/- 1.91 0.030 / 0.020 G28 32.7 58.9 3.8 +/- 1.51 4.3 +/- 1.51 0.040 / 0.060 G30 149.2 49.3 9.3 +/- 0.68 11.8 +/- 0.68 0.050 / 0.040