PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/10-19:57:40 G01 73.5 33.2 12.8 +/- 36.60 21.1 +/- 36.60 0.090 / 0.260 G07 136.1 33.5 16.0 +/- 36.48 26.1 +/- 36.48 0.110 / 0.370 G11 56.0 33.1 9.8 +/- 2.06 16.1 +/- 2.06 0.050 / 0.120 G13 277.6 37.7 12.9 +/- 8.31 19.5 +/- 8.31 0.050 / 0.130 G15 304.8 14.6 8.9 +/- 4.56 22.3 +/- 4.56 0.050 / 0.080 G17 228.9 63.3 14.1 +/- 3.99 15.6 +/- 3.99 0.050 / 0.100 G18 51.2 19.5 10.1 +/- 3.43 22.5 +/- 3.43 0.030 / 0.050 G19 222.6 38.6 15.4 +/- 37.07 22.9 +/- 37.07 0.030 / 0.050 G28 16.1 59.7 11.0 +/- 2.33 12.5 +/- 2.33 0.040 / 0.100 G30 133.0 62.9 14.3 +/- 36.56 15.9 +/- 36.56 0.050 / 0.080