PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/28-00:58:10 G01 318.5 18.8 14.8 +/- 3.33 33.5 +/- 3.33 0.140 / 0.190 G08 255.1 12.6 21.1 +/- 2.84 55.5 +/- 2.84 0.140 / 0.180 G10 80.4 53.5 16.5 +/- 1.09 20.0 +/- 1.09 0.090 / 0.320 G11 301.2 24.7 16.3 +/- 2.09 32.0 +/- 2.09 0.030 / 0.030 G14 304.5 71.4 16.2 +/- 0.71 17.0 +/- 0.71 0.040 / 0.030 G18 102.5 28.5 17.7 +/- 1.84 32.0 +/- 1.84 0.060 / 0.060 G22 300.7 10.6 -1.2 +/- 10.36 -3.3 +/- 10.36 0.070 / 0.040 G31 178.3 40.8 25.3 +/- 2.22 36.4 +/- 2.22 0.060 / 0.080 G32 1.1 68.5 15.8 +/- 0.60 16.8 +/- 0.60 0.060 / 0.080