PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/03-11:12:40 G02 202.5 30.1 5.9 +/- 1.53 10.3 +/- 1.53 0.080 / 0.100 G06 160.7 65.9 5.0 +/- 1.19 5.4 +/- 1.19 0.080 / 0.090 G12 305.4 14.0 1.7 +/- 1.98 4.4 +/- 1.98 0.030 / 0.040 G17 31.1 52.9 3.6 +/- 0.59 4.3 +/- 0.59 0.030 / 0.030 G19 358.3 66.5 3.1 +/- 0.50 3.4 +/- 0.50 0.080 / 0.230 G24 302.3 35.0 3.9 +/- 1.09 6.1 +/- 1.09 0.110 / 0.280 G28 94.5 39.9 5.5 +/- 0.90 8.0 +/- 0.90 0.040 / 0.040