PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/16-00:43:00 G02 200.3 24.1 9.9 +/- 3.27 19.8 +/- 3.27 0.070 / 0.120 G06 175.1 52.9 9.1 +/- 1.00 11.1 +/- 1.00 0.060 / 0.100 G13 224.5 11.5 9.5 +/- 2.49 25.6 +/- 2.49 0.150 / 0.390 G17 27.0 56.3 7.5 +/- 1.11 8.8 +/- 1.11 0.210 / 0.390 G19 330.2 70.5 6.5 +/- 0.41 6.8 +/- 0.41 0.190 / 0.250 G24 306.7 33.1 6.8 +/- 2.39 11.1 +/- 2.39 0.150 / 0.250 G28 88.3 41.2 8.2 +/- 0.78 11.7 +/- 0.78 0.160 / 0.290 G30 157.3 11.7 10.1 +/- 1.69 27.2 +/- 1.69 0.310 / 0.380