PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/27-00:57:40 G02 209.6 52.2 11.3 +/- 0.70 13.9 +/- 0.70 0.090 / 0.070 G06 123.8 80.8 9.5 +/- 0.64 9.6 +/- 0.64 0.050 / 0.060 G12 314.2 25.7 6.9 +/- 0.96 13.2 +/- 0.96 0.050 / 0.040 G17 50.8 36.7 6.9 +/- 1.26 10.7 +/- 1.26 0.040 / 0.040 G19 27.8 55.1 7.8 +/- 1.70 9.3 +/- 1.70 0.180 / 0.140 G24 275.2 43.0 10.1 +/- 1.53 14.0 +/- 1.53 0.090 / 0.120 G28 114.8 23.6 9.2 +/- 1.69 18.5 +/- 1.69 0.080 / 0.190