PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-15:57:40 G02 210.7 49.2 10.0 +/- 0.75 12.7 +/- 0.75 0.070 / 0.180 G06 92.7 79.0 8.6 +/- 0.42 8.8 +/- 0.42 0.080 / 0.170 G12 314.6 27.6 7.1 +/- 1.82 13.1 +/- 1.82 0.080 / 0.080 G17 47.0 41.0 6.2 +/- 1.47 8.9 +/- 1.47 0.070 / 0.070 G19 30.3 53.7 7.7 +/- 1.02 9.4 +/- 1.02 0.060 / 0.080 G24 277.9 41.9 6.4 +/- 1.04 9.1 +/- 1.04 0.060 / 0.080 G28 114.1 25.6 7.3 +/- 1.43 14.0 +/- 1.43 0.040 / 0.040