PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/10-03:27:40 G01 40.6 15.4 3.3 +/- 1.51 8.2 +/- 1.51 0.040 / 0.050 G02 198.7 11.1 1.0 +/- 6.48 2.8 +/- 6.48 0.050 / 0.050 G06 176.8 38.6 5.7 +/- 1.26 8.4 +/- 1.26 0.080 / 0.100 G13 237.4 21.1 4.8 +/- 2.40 10.3 +/- 2.40 0.080 / 0.080 G15 268.9 12.0 4.7 +/- 1.33 12.4 +/- 1.33 0.030 / 0.030 G17 1.2 70.1 4.0 +/- 0.31 4.3 +/- 0.31 0.030 / 0.030 G19 283.2 70.1 3.8 +/- 1.16 4.0 +/- 1.16 0.150 / 0.320 G24 316.4 19.6 1.2 +/- 2.19 2.6 +/- 2.19 0.180 / 0.220 G28 74.1 45.7 4.1 +/- 1.27 5.5 +/- 1.27 0.150 / 0.210 G30 153.7 22.3 6.3 +/- 1.47 13.1 +/- 1.47 0.180 / 0.320