PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/05-20:28:00 G05 48.2 19.1 6.9 +/- 0.69 15.6 +/- 0.69 0.040 / 0.080 G10 235.1 11.3 12.1 +/- 33.98 32.7 +/- 33.98 0.050 / 0.090 G13 77.6 36.3 10.3 +/- 0.55 15.9 +/- 0.55 0.050 / 0.170 G15 133.5 50.4 14.4 +/- 1.55 18.0 +/- 1.55 0.070 / 0.160 G16 313.9 13.0 8.4 +/- 1.24 21.8 +/- 1.24 0.180 / 0.380 G20 238.5 -3.7 7.4 +/- 1.58 22.7 +/- 1.58 0.230 / 0.470 G21 310.6 44.9 9.8 +/- 1.00 13.2 +/- 1.00 0.120 / 0.410 G25 199.2 11.7 15.3 +/- 2.76 41.3 +/- 2.76 0.110 / 0.380 G26 287.5 21.1 10.6 +/- 2.54 22.6 +/- 2.54 0.070 / 0.110 G29 154.7 75.9 13.7 +/- 0.54 14.1 +/- 0.54 0.070 / 0.130