PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/15-12:12:50 G01 320.8 13.0 -3.7 +/- 25.30 -9.7 +/- 25.30 0.110 / 0.260 G08 262.0 16.5 7.4 +/- 1.50 17.7 +/- 1.50 0.090 / 0.210 G10 70.1 55.5 5.1 +/- 0.67 6.1 +/- 0.67 0.120 / 0.340 G11 307.6 20.6 2.3 +/- 2.32 4.9 +/- 2.32 0.160 / 0.370 G14 279.3 69.4 5.4 +/- 0.81 5.7 +/- 0.81 0.040 / 0.050 G18 308.4 38.2 4.0 +/- 1.07 5.9 +/- 1.07 0.040 / 0.040 G20 99.9 33.3 4.9 +/- 0.78 8.0 +/- 0.78 0.030 / 0.030 G27 230.4 13.6 5.0 +/- 1.47 12.9 +/- 1.47 0.040 / 0.020 G31 179.0 33.1 6.5 +/- 0.97 10.6 +/- 0.97 0.120 / 0.320 G32 337.4 73.1 5.6 +/- 0.36 5.8 +/- 0.36 0.090 / 0.300