PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/01-02:58:00 G05 47.5 19.6 10.0 +/- 1.27 22.3 +/- 1.27 0.120 / 0.490 G13 82.1 36.5 11.0 +/- 1.41 16.9 +/- 1.41 0.150 / 0.460 G15 131.6 49.0 13.6 +/- 1.37 17.4 +/- 1.37 0.040 / 0.090 G16 317.3 11.2 6.5 +/- 5.06 17.8 +/- 5.06 0.040 / 0.090 G20 247.2 44.7 14.2 +/- 1.50 19.2 +/- 1.50 0.080 / 0.150 G21 308.3 43.5 11.0 +/- 1.26 15.1 +/- 1.26 0.060 / 0.140 G25 202.3 14.8 14.8 +/- 2.06 36.9 +/- 2.06 0.150 / 0.310 G26 290.9 21.1 11.1 +/- 1.65 23.7 +/- 1.65 0.150 / 0.350 G29 151.2 78.7 13.2 +/- 0.98 13.5 +/- 0.98 0.070 / 0.140