PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/28-00:13:00 G02 202.2 32.8 13.2 +/- 1.20 21.8 +/- 1.20 0.140 / 0.080 G06 170.3 63.2 13.6 +/- 1.00 15.0 +/- 1.00 0.090 / 0.070 G12 305.0 11.1 -2.5 +/- 16.43 -6.9 +/- 16.43 0.120 / 0.250 G17 34.9 49.8 8.7 +/- 0.99 11.1 +/- 0.99 0.090 / 0.210 G19 355.0 66.8 9.2 +/- 0.99 9.9 +/- 0.99 0.060 / 0.090 G24 298.9 38.0 9.9 +/- 1.96 14.9 +/- 1.96 0.050 / 0.090 G28 97.7 36.2 11.0 +/- 0.84 17.1 +/- 0.84 0.050 / 0.040