PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/29-01:57:30 G10 250.8 26.8 10.3 +/- 1.05 19.3 +/- 1.05 0.040 / 0.060 G13 53.4 29.8 8.0 +/- 1.04 14.1 +/- 1.04 0.030 / 0.050 G15 88.5 58.3 9.8 +/- 0.67 11.3 +/- 0.67 0.150 / 0.790 G16 294.3 15.8 6.2 +/- 2.48 15.0 +/- 2.48 0.150 / 0.740 G20 266.8 46.9 7.9 +/- 0.54 10.3 +/- 0.54 0.050 / 0.070 G21 332.9 59.8 8.7 +/- 0.79 10.0 +/- 0.79 0.040 / 0.070 G26 266.1 15.6 10.3 +/- 2.68 25.3 +/- 2.68 0.080 / 0.120 G29 165.3 50.7 9.4 +/- 0.97 11.8 +/- 0.97 0.080 / 0.130