PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/25-14:43:00 G01 236.0 26.5 8.6 +/- 1.20 16.3 +/- 1.20 0.140 / 0.180 G03 307.1 61.6 6.1 +/- 0.83 6.9 +/- 0.83 0.110 / 0.120 G14 74.8 31.4 5.9 +/- 1.49 10.0 +/- 1.49 0.040 / 0.040 G16 160.1 28.7 7.7 +/- 2.36 13.9 +/- 2.36 0.040 / 0.040 G18 208.8 15.1 8.6 +/- 2.49 21.2 +/- 2.49 0.100 / 0.130 G22 248.4 77.1 7.9 +/- 0.50 8.0 +/- 0.50 0.150 / 0.150 G23 297.2 27.9 6.6 +/- 2.01 12.1 +/- 2.01 0.070 / 0.120 G26 125.6 48.2 9.1 +/- 0.68 11.7 +/- 0.68 0.080 / 0.130 G31 41.1 45.9 5.8 +/- 0.95 7.8 +/- 0.95 0.050 / 0.030 G32 87.1 18.0 6.0 +/- 1.95 13.9 +/- 1.95 0.030 / 0.030