PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/08-03:12:30 G03 251.1 69.2 6.3 +/- 0.52 6.7 +/- 0.52 0.030 / 0.050 G09 303.8 21.6 4.0 +/- 2.92 8.5 +/- 2.92 0.030 / 0.050 G14 97.3 16.5 5.9 +/- 1.58 14.2 +/- 1.58 0.030 / 0.060 G16 129.0 57.0 8.9 +/- 1.24 10.4 +/- 1.24 0.040 / 0.060 G22 199.4 59.0 9.1 +/- 1.05 10.4 +/- 1.05 0.120 / 0.380 G23 316.0 45.6 6.1 +/- 1.43 8.1 +/- 1.43 0.130 / 0.300 G26 73.4 52.6 6.5 +/- 0.80 7.9 +/- 0.80 0.050 / 0.070 G31 50.8 21.9 2.0 +/- 1.71 4.3 +/- 1.71 0.050 / 0.060