PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/10-11:27:50 G03 240.7 68.7 5.8 +/- 0.68 6.2 +/- 0.68 0.060 / 0.060 G09 302.9 17.9 3.8 +/- 0.88 8.9 +/- 0.88 0.050 / 0.070 G14 97.5 18.5 4.0 +/- 1.43 9.1 +/- 1.43 0.110 / 0.230 G16 124.7 58.6 6.8 +/- 0.35 7.8 +/- 0.35 0.100 / 0.310 G22 192.2 54.8 7.5 +/- 1.81 8.9 +/- 1.81 0.050 / 0.070 G23 320.8 50.8 4.3 +/- 1.66 5.3 +/- 1.66 0.060 / 0.070 G26 68.5 50.6 4.2 +/- 0.41 5.3 +/- 0.41 0.040 / 0.050 G31 52.3 18.5 2.6 +/- 1.22 6.0 +/- 1.22 0.040 / 0.050