PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/10-13:43:00 G01 45.0 21.1 5.2 +/- 2.80 11.2 +/- 2.80 0.040 / 0.050 G06 175.5 30.7 8.0 +/- 1.39 13.7 +/- 1.39 0.040 / 0.050 G11 43.7 11.3 5.6 +/- 3.91 15.2 +/- 3.91 0.300 / 0.340 G13 243.6 27.9 7.4 +/- 1.59 13.5 +/- 1.59 0.200 / 0.280 G15 278.8 14.4 4.9 +/- 1.40 12.3 +/- 1.40 0.040 / 0.030 G17 318.8 77.0 7.6 +/- 0.40 7.8 +/- 0.40 0.030 / 0.030 G19 257.4 65.8 7.9 +/- 0.77 8.6 +/- 0.77 0.040 / 0.040 G24 318.5 11.7 -4.5 +/- 21.76 -12.2 +/- 21.76 0.040 / 0.040 G28 52.0 54.9 6.3 +/- 0.83 7.5 +/- 0.83 0.090 / 0.100 G30 152.0 35.8 7.4 +/- 0.81 11.6 +/- 0.81 0.100 / 0.110