PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/08-13:58:00 G01 299.5 38.0 5.6 +/- 2.20 8.5 +/- 2.20 0.130 / 0.100 G03 309.7 13.9 -0.1 +/- 21.20 -0.2 +/- 21.20 0.060 / 0.080 G10 113.5 33.3 7.2 +/- 0.63 11.7 +/- 0.63 0.060 / 0.090 G11 271.7 27.4 4.3 +/- 1.47 7.9 +/- 1.47 0.060 / 0.080 G14 14.1 62.6 5.4 +/- 0.99 6.0 +/- 0.99 0.040 / 0.030 G18 259.4 50.5 6.6 +/- 8.88 8.2 +/- 8.88 0.030 / 0.040 G22 313.0 35.0 4.0 +/- 1.52 6.4 +/- 1.52 0.040 / 0.060 G25 72.4 17.3 6.6 +/- 1.22 15.5 +/- 1.22 0.050 / 0.040 G31 162.8 71.3 6.6 +/- 0.33 6.9 +/- 0.33 0.060 / 0.070 G32 40.0 50.4 5.0 +/- 1.52 6.2 +/- 1.52 0.070 / 0.060