PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/02-09:43:10 G01 85.0 32.7 5.3 +/- 1.06 8.9 +/- 1.06 0.060 / 0.110 G07 129.4 40.7 5.4 +/- 0.82 7.8 +/- 0.82 0.070 / 0.110 G11 62.5 36.9 3.0 +/- 0.71 4.7 +/- 0.71 0.030 / 0.030 G13 289.0 37.4 3.5 +/- 1.31 5.3 +/- 1.31 0.030 / 0.030 G17 217.7 60.0 6.7 +/- 1.47 7.6 +/- 1.47 0.070 / 0.130 G18 57.9 21.9 1.7 +/- 2.12 3.5 +/- 2.12 0.060 / 0.130 G19 216.9 27.1 5.0 +/- 2.23 9.3 +/- 2.23 0.100 / 0.130 G28 355.3 61.5 2.6 +/- 2.09 2.9 +/- 2.09 0.080 / 0.110 G30 115.2 74.5 5.0 +/- 1.80 5.2 +/- 1.80 0.130 / 0.120