PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/15-22:58:00 G01 253.6 36.7 6.7 +/- 1.52 10.2 +/- 1.52 0.040 / 0.050 G03 316.4 40.7 7.9 +/- 1.88 11.4 +/- 1.88 0.040 / 0.050 G11 237.7 13.0 10.4 +/- 1.96 27.1 +/- 1.96 0.060 / 0.120 G14 58.0 42.0 6.2 +/- 0.70 8.8 +/- 0.70 0.060 / 0.120 G18 219.9 28.4 7.6 +/- 1.90 13.8 +/- 1.90 0.050 / 0.090 G22 307.5 63.1 7.4 +/- 0.62 8.2 +/- 0.62 0.050 / 0.090 G23 284.2 16.4 8.7 +/- 2.43 21.0 +/- 2.43 0.170 / 0.630 G26 139.6 35.8 10.8 +/- 0.92 16.9 +/- 0.92 0.170 / 0.690 G31 41.7 63.0 7.8 +/- 0.44 8.7 +/- 0.44 0.190 / 0.520 G32 75.3 24.4 7.5 +/- 0.89 14.8 +/- 0.89 0.100 / 0.400