PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-17:12:40 G03 191.5 28.4 9.4 +/- 2.94 17.0 +/- 2.94 0.050 / 0.130 G07 283.4 36.3 10.8 +/- 1.60 16.7 +/- 1.60 0.060 / 0.070 G08 147.0 20.0 10.5 +/- 0.80 23.2 +/- 0.80 0.040 / 0.040 G09 319.9 51.7 8.8 +/- 0.72 10.9 +/- 0.72 0.050 / 0.050 G16 50.2 53.2 8.2 +/- 0.58 9.9 +/- 0.58 0.070 / 0.120 G22 178.1 12.4 10.7 +/- 2.06 28.4 +/- 2.06 0.070 / 0.090 G23 30.9 82.6 7.2 +/- 1.03 7.2 +/- 1.03 0.140 / 0.150 G26 43.7 23.4 6.8 +/- 2.45 13.7 +/- 2.45 0.130 / 0.120 G27 113.3 28.1 9.1 +/- 1.11 16.7 +/- 1.11 0.280 / 0.390