PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/05-18:58:00 G01 236.8 26.3 12.6 +/- 2.02 24.0 +/- 2.02 0.070 / 0.130 G03 307.3 60.0 11.3 +/- 1.26 12.9 +/- 1.26 0.080 / 0.150 G14 74.1 33.1 11.2 +/- 0.59 18.5 +/- 0.59 0.040 / 0.040 G16 156.9 31.5 13.8 +/- 0.76 23.4 +/- 0.76 0.040 / 0.040 G22 262.2 76.0 11.9 +/- 0.92 12.2 +/- 0.92 0.030 / 0.060 G23 298.0 29.2 10.3 +/- 2.36 18.3 +/- 2.36 0.050 / 0.070 G26 119.4 48.8 13.4 +/- 1.79 17.2 +/- 1.79 0.080 / 0.160 G31 41.3 43.9 8.7 +/- 0.81 11.9 +/- 0.81 0.090 / 0.160 G32 89.5 13.6 12.2 +/- 1.63 31.4 +/- 1.63 0.040 / 0.040