PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-01:12:30 G10 250.8 26.9 12.0 +/- 2.72 22.4 +/- 2.72 0.030 / 0.040 G13 53.4 29.8 9.4 +/- 2.05 16.6 +/- 2.05 0.040 / 0.040 G15 89.3 58.5 12.2 +/- 0.88 14.0 +/- 0.88 0.130 / 0.310 G16 294.2 15.8 8.3 +/- 1.01 20.2 +/- 1.01 0.140 / 0.250 G20 263.1 41.0 13.0 +/- 2.80 18.7 +/- 2.80 0.110 / 0.140 G21 332.8 59.7 10.0 +/- 0.45 11.4 +/- 0.45 0.070 / 0.160 G26 266.1 15.6 11.4 +/- 1.08 28.0 +/- 1.08 0.030 / 0.030 G29 165.3 50.8 12.3 +/- 0.55 15.4 +/- 0.55 0.040 / 0.030