PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/08-22:42:30 G05 51.6 11.2 8.2 +/- 1.98 22.4 +/- 1.98 0.120 / 0.260 G10 241.2 18.1 14.6 +/- 2.45 33.5 +/- 2.45 0.130 / 0.260 G13 66.2 34.9 9.8 +/- 0.83 15.5 +/- 0.83 0.130 / 0.600 G15 117.0 56.4 12.4 +/- 0.91 14.5 +/- 0.91 0.170 / 0.590 G16 305.9 15.3 8.1 +/- 3.77 20.0 +/- 3.77 0.120 / 0.270 G20 246.9 16.5 7.6 +/- 1.01 18.3 +/- 1.01 0.110 / 0.230 G21 319.4 51.1 11.1 +/- 1.48 13.8 +/- 1.48 0.020 / 0.040 G26 278.0 19.7 11.7 +/- 1.89 26.0 +/- 1.89 0.030 / 0.040 G29 161.0 65.0 12.1 +/- 1.04 13.2 +/- 1.04 0.070 / 0.070