PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/02-05:57:40 G03 233.0 65.5 6.3 +/- 0.91 6.9 +/- 0.91 0.040 / 0.060 G07 251.0 10.3 -3.5 +/- 18.76 -9.7 +/- 18.76 0.040 / 0.080 G09 307.3 24.9 4.0 +/- 2.16 7.8 +/- 2.16 0.080 / 0.330 G14 103.4 11.7 3.7 +/- 2.64 10.1 +/- 2.64 0.100 / 0.390 G16 109.6 61.8 6.9 +/- 1.04 7.7 +/- 1.04 0.100 / 0.500 G22 194.8 51.6 6.7 +/- 1.10 8.2 +/- 1.10 0.090 / 0.480 G23 321.9 51.8 5.8 +/- 1.00 7.2 +/- 1.00 0.040 / 0.040 G26 60.2 47.0 4.8 +/- 0.27 6.3 +/- 0.27 0.040 / 0.040 G31 55.4 14.0 3.0 +/- 1.66 7.6 +/- 1.66 0.040 / 0.050