PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/26-12:58:10 G01 39.5 14.1 4.0 +/- 2.64 10.1 +/- 2.64 0.100 / 0.160 G06 173.1 41.2 6.9 +/- 1.02 9.8 +/- 1.02 0.200 / 0.280 G13 235.0 21.5 5.3 +/- 1.98 11.3 +/- 1.98 0.020 / 0.030 G15 270.3 11.5 5.6 +/- 3.04 15.0 +/- 3.04 0.030 / 0.030 G17 356.1 71.4 5.9 +/- 0.75 6.1 +/- 0.75 0.040 / 0.030 G19 285.1 71.2 4.9 +/- 0.63 5.2 +/- 0.63 0.040 / 0.040 G24 316.2 19.4 2.6 +/- 1.86 5.8 +/- 1.86 0.100 / 0.180 G28 66.5 51.2 5.1 +/- 1.62 6.3 +/- 1.62 0.080 / 0.280 G30 155.2 26.7 6.0 +/- 2.23 11.3 +/- 2.23 0.060 / 0.090