PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/10-10:13:10 G01 84.0 32.0 4.8 +/- 1.09 8.1 +/- 1.09 0.030 / 0.030 G07 128.8 40.1 6.3 +/- 0.63 9.1 +/- 0.63 0.030 / 0.020 G11 64.9 39.8 5.2 +/- 1.00 7.5 +/- 1.00 0.040 / 0.040 G13 288.9 38.2 1.1 +/- 1.25 1.6 +/- 1.25 0.040 / 0.040 G15 313.6 10.7 -3.8 +/- 16.20 -10.4 +/- 16.20 0.110 / 0.120 G17 216.6 54.7 7.2 +/- 0.49 8.6 +/- 0.49 0.140 / 0.090 G18 59.1 22.8 3.6 +/- 1.87 7.3 +/- 1.87 0.040 / 0.060 G19 215.4 32.5 4.6 +/- 1.52 7.6 +/- 1.52 0.040 / 0.050 G28 341.1 61.4 4.3 +/- 0.50 4.8 +/- 0.50 0.160 / 0.290 G30 114.5 74.7 6.0 +/- 1.10 6.2 +/- 1.10 0.100 / 0.210