PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/03-14:27:50 G01 40.7 16.0 6.3 +/- 1.38 15.2 +/- 1.38 0.090 / 0.070 G06 174.0 38.4 9.7 +/- 1.51 14.5 +/- 1.51 0.050 / 0.080 G13 237.0 23.1 8.2 +/- 4.69 16.8 +/- 4.69 0.130 / 0.320 G15 271.8 12.4 6.6 +/- 2.23 17.5 +/- 2.23 0.120 / 0.290 G17 347.9 73.3 8.0 +/- 0.86 8.3 +/- 0.86 0.220 / 0.300 G19 277.0 70.1 8.3 +/- 0.62 8.8 +/- 0.62 0.160 / 0.350 G24 316.8 17.8 8.4 +/- 2.35 19.4 +/- 2.35 0.040 / 0.040 G28 63.5 51.9 7.4 +/- 0.66 9.2 +/- 0.66 0.040 / 0.040 G30 154.3 28.0 8.6 +/- 1.32 15.7 +/- 1.32 0.090 / 0.310