PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/04-01:27:50 G01 302.5 35.9 8.7 +/- 0.83 13.6 +/- 0.83 0.070 / 0.090 G10 110.6 37.4 7.4 +/- 1.14 11.2 +/- 1.14 0.090 / 0.090 G11 275.1 28.9 8.4 +/- 1.23 15.1 +/- 1.23 0.060 / 0.130 G14 9.8 63.8 6.3 +/- 0.69 7.0 +/- 0.69 0.090 / 0.140 G18 120.2 10.8 6.1 +/- 1.33 16.8 +/- 1.33 0.030 / 0.040 G22 311.0 28.9 6.4 +/- 1.13 11.5 +/- 1.13 0.030 / 0.040 G25 75.0 17.3 6.7 +/- 1.00 15.7 +/- 1.00 0.070 / 0.220 G31 168.7 67.9 8.8 +/- 0.81 9.4 +/- 0.81 0.070 / 0.210 G32 37.4 51.9 6.6 +/- 0.48 8.2 +/- 0.48 0.040 / 0.060