PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/26-02:12:40 G01 319.3 17.3 9.3 +/- 2.49 21.9 +/- 2.49 0.190 / 0.230 G08 256.3 13.6 10.1 +/- 1.85 25.9 +/- 1.85 0.190 / 0.170 G10 78.8 53.4 14.8 +/- 0.44 17.9 +/- 0.44 0.120 / 0.160 G11 302.9 23.4 8.4 +/- 1.42 16.9 +/- 1.42 0.100 / 0.160 G14 292.4 70.0 11.7 +/- 0.39 12.3 +/- 0.39 0.040 / 0.040 G18 305.1 40.1 10.6 +/- 1.75 15.3 +/- 1.75 0.040 / 0.040 G20 75.8 64.8 20.9 +/- 0.94 22.8 +/- 0.94 0.130 / 0.300 G31 174.1 43.0 13.7 +/- 0.93 19.0 +/- 0.93 0.160 / 0.330 G32 10.4 66.8 11.0 +/- 0.82 11.8 +/- 0.82 0.120 / 0.080