PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/10-01:27:50 G01 41.8 17.2 4.9 +/- 2.24 11.5 +/- 2.24 0.040 / 0.060 G06 176.3 37.1 7.8 +/- 1.20 11.9 +/- 1.20 0.040 / 0.060 G13 239.3 22.7 9.9 +/- 1.84 20.4 +/- 1.84 0.050 / 0.080 G15 271.2 12.8 8.2 +/- 1.31 21.4 +/- 1.31 0.050 / 0.070 G17 351.4 72.5 6.4 +/- 0.51 6.7 +/- 0.51 0.180 / 0.270 G19 274.6 68.6 6.3 +/- 0.78 6.7 +/- 0.78 0.190 / 0.150 G24 317.1 17.9 7.5 +/- 2.50 17.4 +/- 2.50 0.030 / 0.020 G28 70.9 46.9 6.6 +/- 1.48 8.6 +/- 1.48 0.030 / 0.030 G30 153.3 25.5 9.1 +/- 2.23 17.5 +/- 2.23 0.300 / 0.190