PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/09-18:42:40 G10 275.6 42.3 10.0 +/- 1.24 14.0 +/- 1.24 0.060 / 0.140 G13 39.4 13.4 9.9 +/- 1.66 25.6 +/- 1.66 0.060 / 0.130 G15 51.9 41.5 11.1 +/- 0.86 15.7 +/- 0.86 0.200 / 0.310 G18 322.1 66.8 9.7 +/- 0.64 10.4 +/- 0.64 0.180 / 0.330 G20 59.4 30.2 11.1 +/- 0.74 19.4 +/- 0.74 0.030 / 0.040 G21 43.2 75.8 12.5 +/- 0.38 12.8 +/- 0.38 0.030 / 0.040 G24 114.8 18.5 15.6 +/- 1.22 35.5 +/- 1.22 0.130 / 0.130 G27 313.4 26.0 12.2 +/- 0.43 23.3 +/- 0.43 0.080 / 0.130 G29 166.0 17.6 13.3 +/- 1.62 30.9 +/- 1.62 0.070 / 0.260 G32 206.4 14.7 14.6 +/- 3.02 36.7 +/- 3.02 0.100 / 0.230