PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/11-07:12:50 G03 248.9 68.7 5.6 +/- 1.16 5.9 +/- 1.16 0.050 / 0.050 G09 303.2 19.2 3.4 +/- 4.70 7.6 +/- 4.70 0.060 / 0.070 G14 97.8 16.8 4.3 +/- 1.35 10.2 +/- 1.35 0.040 / 0.060 G16 124.3 58.1 5.7 +/- 0.68 6.6 +/- 0.68 0.040 / 0.060 G22 197.8 57.8 8.9 +/- 1.03 10.3 +/- 1.03 0.110 / 0.460 G23 317.7 47.4 2.2 +/- 1.23 2.9 +/- 1.23 0.120 / 0.410 G26 69.3 50.8 4.9 +/- 0.58 6.1 +/- 0.58 0.040 / 0.060 G31 52.0 19.0 0.4 +/- 2.46 1.0 +/- 2.46 0.050 / 0.070