PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/13-01:28:10 G08 300.9 22.3 7.0 +/- 1.41 14.6 +/- 1.41 0.090 / 0.110 G10 349.1 62.1 6.4 +/- 0.65 7.2 +/- 0.65 0.070 / 0.120 G14 223.1 37.2 14.0 +/- 1.35 21.3 +/- 1.35 0.040 / 0.070 G20 343.3 63.5 20.5 +/- 0.43 22.6 +/- 0.43 0.040 / 0.070 G21 141.5 50.1 9.5 +/- 1.12 12.0 +/- 1.12 0.060 / 0.120 G24 63.1 27.7 7.0 +/- 0.90 12.8 +/- 0.90 0.050 / 0.150 G27 264.5 35.4 12.2 +/- 1.45 19.2 +/- 1.45 0.030 / 0.030 G32 232.6 62.3 12.3 +/- 1.00 13.7 +/- 1.00 0.030 / 0.030