PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/24-01:42:30 G08 299.7 22.6 7.7 +/- 0.98 15.9 +/- 0.98 0.060 / 0.060 G10 348.0 62.0 9.0 +/- 0.35 10.1 +/- 0.35 0.070 / 0.080 G14 223.9 41.0 12.9 +/- 2.52 18.5 +/- 2.52 0.070 / 0.060 G18 51.3 55.9 9.5 +/- 0.62 11.2 +/- 0.62 0.060 / 0.050 G21 141.3 47.7 11.6 +/- 0.67 15.1 +/- 0.67 0.070 / 0.110 G24 65.4 29.3 9.4 +/- 1.28 16.6 +/- 1.28 0.080 / 0.070 G27 261.5 35.0 12.6 +/- 2.18 19.9 +/- 2.18 0.130 / 0.120 G32 232.9 59.0 9.4 +/- 1.64 10.8 +/- 1.64 0.140 / 0.110