PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/27-01:12:30 G02 214.3 59.2 9.5 +/- 0.51 10.9 +/- 0.51 0.050 / 0.070 G06 75.9 80.2 7.9 +/- 0.58 8.0 +/- 0.58 0.060 / 0.060 G12 316.8 31.6 7.6 +/- 1.67 12.9 +/- 1.67 0.040 / 0.050 G17 56.4 32.2 6.2 +/- 1.79 10.4 +/- 1.79 0.040 / 0.040 G19 36.5 50.5 7.5 +/- 1.70 9.3 +/- 1.70 0.070 / 0.120 G24 265.6 42.3 8.6 +/- 1.74 12.0 +/- 1.74 0.080 / 0.090 G28 120.0 18.6 7.0 +/- 1.62 15.9 +/- 1.62 0.110 / 0.200