PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/08-22:27:50 G10 257.7 33.6 11.3 +/- 1.22 18.3 +/- 1.22 0.120 / 0.410 G13 46.8 24.0 7.7 +/- 1.15 15.4 +/- 1.15 0.170 / 0.330 G15 71.9 54.9 9.8 +/- 0.50 11.7 +/- 0.50 0.120 / 0.430 G16 288.3 14.8 7.6 +/- 1.74 19.1 +/- 1.74 0.120 / 0.340 G20 281.5 55.4 11.4 +/- 1.07 13.6 +/- 1.07 0.040 / 0.060 G21 343.7 64.9 7.7 +/- 1.20 8.5 +/- 1.20 0.040 / 0.050 G26 261.2 12.2 12.0 +/- 1.83 31.7 +/- 1.83 0.060 / 0.190 G27 322.1 10.7 -9.4 +/- 30.71 -25.8 +/- 30.71 0.070 / 0.200 G29 165.4 41.3 12.0 +/- 1.45 17.1 +/- 1.45 0.070 / 0.100