PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/10-22:57:40 G10 249.2 25.7 13.1 +/- 1.58 25.2 +/- 1.58 0.130 / 0.630 G13 55.0 30.6 9.6 +/- 1.57 16.5 +/- 1.57 0.120 / 0.770 G15 95.5 59.2 12.0 +/- 0.74 13.7 +/- 0.74 0.030 / 0.050 G16 295.7 16.1 9.3 +/- 3.23 22.6 +/- 3.23 0.030 / 0.050 G20 254.3 22.7 7.1 +/- 0.98 14.5 +/- 0.98 0.040 / 0.040 G21 330.4 58.3 8.9 +/- 0.69 10.3 +/- 0.69 0.050 / 0.060 G26 267.8 16.4 12.0 +/- 2.46 28.8 +/- 2.46 0.070 / 0.170 G29 164.8 53.1 10.8 +/- 0.45 13.2 +/- 0.45 0.070 / 0.160