PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/19-23:27:50 G01 260.2 38.7 7.9 +/- 1.52 11.7 +/- 1.52 0.050 / 0.050 G03 316.4 35.7 5.6 +/- 1.34 8.8 +/- 1.34 0.050 / 0.050 G10 134.0 11.1 9.0 +/- 1.00 24.5 +/- 1.00 0.080 / 0.090 G11 243.2 16.8 7.0 +/- 2.86 16.8 +/- 2.86 0.070 / 0.080 G14 53.0 44.7 5.5 +/- 0.97 7.4 +/- 0.97 0.030 / 0.040 G22 311.5 58.1 5.9 +/- 1.28 6.8 +/- 1.28 0.020 / 0.040 G25 44.8 13.4 5.3 +/- 1.29 13.6 +/- 1.29 0.060 / 0.130 G26 145.8 30.3 11.1 +/- 1.86 19.3 +/- 1.86 0.060 / 0.170 G31 44.4 69.8 7.4 +/- 0.61 7.9 +/- 0.61 0.040 / 0.080 G32 70.1 29.0 5.9 +/- 0.88 10.5 +/- 0.88 0.040 / 0.070