PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/19-02:12:50 G01 243.2 32.9 9.5 +/- 1.42 15.7 +/- 1.42 0.040 / 0.040 G03 315.2 47.6 4.1 +/- 1.63 5.4 +/- 1.63 0.040 / 0.030 G14 62.9 40.0 5.2 +/- 0.63 7.5 +/- 0.63 0.070 / 0.100 G16 159.0 23.2 6.3 +/- 2.13 12.9 +/- 2.13 0.070 / 0.140 G18 216.4 23.2 7.9 +/- 0.97 16.1 +/- 0.97 0.060 / 0.090 G22 297.9 68.5 5.9 +/- 1.95 6.3 +/- 1.95 0.050 / 0.110 G23 291.1 24.0 6.5 +/- 1.64 13.0 +/- 1.64 0.070 / 0.190 G26 130.9 42.1 8.3 +/- 1.02 11.6 +/- 1.02 0.080 / 0.170 G31 41.3 51.9 4.1 +/- 0.36 5.0 +/- 0.36 0.090 / 0.230 G32 81.2 19.5 4.3 +/- 1.17 9.5 +/- 1.17 0.090 / 0.190