PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/01-03:13:10 G05 49.9 13.8 7.4 +/- 0.85 19.0 +/- 0.85 0.110 / 0.320 G10 237.8 14.1 15.7 +/- 3.49 39.9 +/- 3.49 0.140 / 0.270 G13 72.7 36.2 9.9 +/- 0.67 15.4 +/- 0.67 0.040 / 0.070 G15 121.0 53.8 12.8 +/- 0.63 15.5 +/- 0.63 0.050 / 0.070 G16 311.2 13.7 8.5 +/- 2.43 21.9 +/- 2.43 0.080 / 0.210 G20 255.3 50.2 13.1 +/- 0.74 16.4 +/- 0.74 0.090 / 0.190 G21 314.9 48.1 11.0 +/- 1.34 14.2 +/- 1.34 0.060 / 0.120 G26 283.4 20.6 10.5 +/- 1.43 22.7 +/- 1.43 0.060 / 0.140 G29 158.1 70.4 13.4 +/- 1.19 14.2 +/- 1.19 0.030 / 0.050