PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/29-01:12:30 G02 202.6 36.3 11.2 +/- 0.97 17.3 +/- 0.97 0.140 / 0.230 G06 161.2 68.8 9.7 +/- 0.32 10.4 +/- 0.32 0.190 / 0.310 G12 307.4 14.6 5.7 +/- 2.40 14.3 +/- 2.40 0.040 / 0.020 G17 32.4 52.2 6.6 +/- 1.37 8.1 +/- 1.37 0.030 / 0.020 G19 0.5 65.4 6.8 +/- 0.58 7.4 +/- 0.58 0.140 / 0.080 G24 298.4 37.8 6.5 +/- 3.07 9.8 +/- 3.07 0.090 / 0.120 G28 102.8 30.7 7.6 +/- 1.04 13.2 +/- 1.04 0.080 / 0.120