PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/05-16:27:50 G02 75.7 20.0 8.3 +/- 1.05 18.3 +/- 1.05 0.030 / 0.050 G05 44.8 44.6 7.5 +/- 0.43 10.2 +/- 0.43 0.030 / 0.040 G12 178.8 11.7 9.6 +/- 1.07 25.9 +/- 1.07 0.070 / 0.220 G13 108.0 27.8 12.3 +/- 1.22 22.6 +/- 1.22 0.070 / 0.170 G15 151.4 30.1 11.7 +/- 1.99 20.5 +/- 1.99 0.080 / 0.170 G20 228.9 16.5 10.3 +/- 3.91 24.8 +/- 3.91 0.080 / 0.210 G21 288.7 29.1 6.7 +/- 1.76 11.9 +/- 1.76 0.060 / 0.110 G25 215.9 35.3 8.5 +/- 1.39 13.4 +/- 1.39 0.060 / 0.110 G26 313.4 14.4 6.2 +/- 1.98 15.7 +/- 1.98 0.080 / 0.250 G29 344.7 74.6 9.1 +/- 0.61 9.4 +/- 0.61 0.090 / 0.300