PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/02-04:57:40 G08 285.3 22.5 7.0 +/- 1.24 14.4 +/- 1.24 0.050 / 0.130 G10 26.0 62.8 4.6 +/- 0.78 5.2 +/- 0.78 0.050 / 0.110 G14 237.6 50.6 6.6 +/- 0.70 8.3 +/- 0.70 0.090 / 0.150 G18 317.5 16.6 5.2 +/- 2.34 12.4 +/- 2.34 0.090 / 0.160 G20 70.5 52.8 5.3 +/- 0.52 6.5 +/- 0.52 0.060 / 0.090 G21 150.4 32.8 7.4 +/- 0.65 12.3 +/- 0.65 0.040 / 0.080 G24 48.6 20.6 4.0 +/- 0.79 8.8 +/- 0.79 0.030 / 0.030 G27 245.9 27.0 7.5 +/- 0.99 14.0 +/- 0.99 0.030 / 0.040 G31 180.5 15.4 6.8 +/- 4.37 16.9 +/- 4.37 0.080 / 0.140 G32 273.2 75.2 5.7 +/- 0.70 5.9 +/- 0.70 0.070 / 0.160