PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/08-07:43:00 G03 228.1 64.5 6.5 +/- 0.97 7.1 +/- 0.97 0.040 / 0.060 G07 251.9 11.0 -3.6 +/- 16.52 -10.0 +/- 16.52 0.040 / 0.060 G09 307.7 25.1 3.8 +/- 1.91 7.4 +/- 1.91 0.070 / 0.370 G14 104.0 11.8 3.8 +/- 2.06 10.3 +/- 2.06 0.080 / 0.250 G16 107.3 62.3 6.9 +/- 0.36 7.7 +/- 0.36 0.040 / 0.040 G22 192.4 49.4 6.0 +/- 1.44 7.6 +/- 1.44 0.030 / 0.050 G23 324.1 54.0 4.7 +/- 0.58 5.7 +/- 0.58 0.160 / 0.370 G26 58.9 46.3 4.5 +/- 0.64 5.9 +/- 0.64 0.130 / 0.390 G31 56.1 13.1 1.3 +/- 1.30 3.5 +/- 1.30 0.030 / 0.050