PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/07/22-05:43:00 G01 317.4 21.2 5.8 +/- 4.60 12.4 +/- 4.60 0.030 / 0.030 G08 252.6 11.3 -1.3 +/- 19.25 -3.6 +/- 19.25 0.040 / 0.020 G10 84.3 52.2 3.1 +/- 0.71 3.8 +/- 0.71 0.040 / 0.030 G11 297.5 26.8 2.3 +/- 3.49 4.2 +/- 3.49 0.040 / 0.030 G14 314.4 71.6 3.4 +/- 0.71 3.5 +/- 0.71 0.130 / 0.220 G18 104.0 28.4 -25.2 +/- 59.27 -45.6 +/- 59.27 0.100 / 0.220 G22 302.5 14.3 1.9 +/- 2.32 4.7 +/- 2.32 0.190 / 0.220 G25 93.8 10.0 -5.4 +/- 29.22 -15.1 +/- 29.22 0.130 / 0.200 G31 174.9 46.2 3.8 +/- 1.56 5.0 +/- 1.56 0.050 / 0.040 G32 12.6 65.2 4.2 +/- 0.53 4.5 +/- 0.53 0.060 / 0.040