PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/11-13:12:50 G01 312.7 28.9 4.3 +/- 1.18 7.6 +/- 1.18 0.120 / 0.100 G10 98.2 44.0 6.0 +/- 0.77 8.2 +/- 0.77 0.130 / 0.100 G11 288.5 27.7 3.5 +/- 2.00 6.5 +/- 2.00 0.060 / 0.050 G14 341.5 69.9 3.8 +/- 0.81 4.0 +/- 0.81 0.070 / 0.040 G18 285.0 50.1 6.5 +/- 1.74 8.2 +/- 1.74 0.040 / 0.030 G20 115.8 19.2 6.0 +/- 1.17 13.6 +/- 1.17 0.040 / 0.030 G22 307.9 23.1 4.4 +/- 1.19 9.0 +/- 1.19 0.040 / 0.040 G25 87.3 13.6 6.4 +/- 2.18 16.5 +/- 2.18 0.040 / 0.040 G31 174.4 54.8 7.3 +/- 0.85 8.7 +/- 0.85 0.060 / 0.170 G32 21.5 60.9 4.7 +/- 0.95 5.3 +/- 0.95 0.070 / 0.160