PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/05-18:57:40 G02 6.6 71.7 8.7 +/- 0.52 9.2 +/- 0.52 0.060 / 0.040 G05 158.8 44.6 10.9 +/- 0.51 14.8 +/- 0.51 0.050 / 0.050 G06 45.8 28.4 7.5 +/- 1.00 13.7 +/- 1.00 0.340 / 0.400 G12 246.1 81.6 8.1 +/- 0.58 8.1 +/- 0.58 0.360 / 0.370 G19 83.5 23.4 9.6 +/- 2.07 19.6 +/- 2.07 0.050 / 0.090 G24 218.9 14.5 12.8 +/- 2.22 32.2 +/- 2.22 0.050 / 0.070 G25 313.6 39.7 8.2 +/- 1.38 11.9 +/- 1.38 0.040 / 0.020 G29 293.7 14.4 9.2 +/- 1.47 23.2 +/- 1.47 0.030 / 0.020