PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/17-00:27:30 G01 238.7 30.0 8.9 +/- 2.24 15.5 +/- 2.24 0.040 / 0.030 G03 313.5 51.3 5.3 +/- 0.80 6.6 +/- 0.80 0.050 / 0.030 G14 66.6 38.4 6.2 +/- 1.59 9.2 +/- 1.59 0.070 / 0.090 G16 156.5 27.4 8.3 +/- 2.05 15.4 +/- 2.05 0.070 / 0.080 G22 288.3 71.5 6.0 +/- 0.59 6.3 +/- 0.59 0.080 / 0.140 G23 293.9 25.8 7.5 +/- 0.96 14.5 +/- 0.96 0.130 / 0.150 G26 126.0 45.3 8.2 +/- 1.18 11.0 +/- 1.18 0.040 / 0.050 G31 41.4 48.1 4.4 +/- 0.69 5.6 +/- 0.69 0.050 / 0.050 G32 84.9 16.4 6.8 +/- 2.30 16.5 +/- 2.30 0.030 / 0.060