PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/08-01:57:50 G01 219.2 10.0 6.6 +/- 15.69 18.4 +/- 15.69 0.040 / 0.040 G03 259.7 69.3 7.3 +/- 0.57 7.8 +/- 0.57 0.030 / 0.040 G09 300.3 14.6 4.0 +/- 1.56 10.0 +/- 1.56 0.040 / 0.070 G14 95.8 17.0 8.9 +/- 1.81 20.9 +/- 1.81 0.050 / 0.070 G16 145.5 52.4 14.3 +/- 0.77 17.5 +/- 0.77 0.050 / 0.110 G22 201.6 62.1 10.8 +/- 1.06 12.1 +/- 1.06 0.070 / 0.120 G23 314.0 43.5 6.8 +/- 1.44 9.4 +/- 1.44 0.210 / 0.500 G26 84.4 56.1 8.3 +/- 0.69 9.7 +/- 0.69 0.180 / 0.480 G31 48.2 27.5 5.8 +/- 1.68 10.7 +/- 1.68 0.130 / 0.520