PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-00:27:30 G02 203.1 36.0 10.3 +/- 1.07 16.1 +/- 1.07 0.100 / 0.100 G06 168.1 66.6 9.1 +/- 0.46 9.8 +/- 0.46 0.080 / 0.070 G12 306.7 13.4 7.9 +/- 2.08 20.5 +/- 2.08 0.050 / 0.110 G17 37.7 47.5 7.5 +/- 1.48 9.7 +/- 1.48 0.080 / 0.100 G19 1.8 65.1 7.3 +/- 1.01 8.0 +/- 1.01 0.030 / 0.030 G24 295.5 39.5 7.1 +/- 5.04 10.4 +/- 5.04 0.040 / 0.030 G28 100.9 34.2 9.5 +/- 0.95 15.2 +/- 0.95 0.140 / 0.210