PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/05-13:12:40 G01 62.2 31.0 8.7 +/- 1.11 15.0 +/- 1.11 0.040 / 0.040 G06 181.1 12.8 8.1 +/- 2.21 21.2 +/- 2.21 0.040 / 0.040 G07 141.1 21.8 8.8 +/- 1.17 18.5 +/- 1.17 0.060 / 0.120 G11 48.6 23.1 7.7 +/- 1.21 15.8 +/- 1.21 0.040 / 0.120 G13 267.8 35.4 10.3 +/- 1.14 16.3 +/- 1.14 0.120 / 0.360 G15 297.6 15.8 5.6 +/- 2.69 13.7 +/- 2.69 0.100 / 0.300 G17 257.8 77.5 9.0 +/- 0.43 9.2 +/- 0.43 0.100 / 0.310 G19 231.1 50.9 11.6 +/- 0.94 14.5 +/- 0.94 0.100 / 0.290 G28 32.9 57.1 8.1 +/- 0.40 9.4 +/- 0.40 0.030 / 0.030 G30 141.7 56.2 9.0 +/- 0.95 10.6 +/- 0.95 0.020 / 0.040