PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/02-05:42:50 G08 264.8 16.7 6.3 +/- 1.06 15.1 +/- 1.06 0.040 / 0.050 G10 67.4 56.9 4.8 +/- 0.53 5.6 +/- 0.53 0.040 / 0.060 G11 309.3 19.0 2.6 +/- 1.45 5.8 +/- 1.45 0.130 / 0.470 G14 270.2 65.5 4.7 +/- 0.94 5.1 +/- 0.94 0.190 / 0.420 G18 310.6 34.2 2.8 +/- 1.44 4.5 +/- 1.44 0.120 / 0.240 G20 95.6 40.1 7.4 +/- 1.55 10.7 +/- 1.55 0.200 / 0.360 G21 155.4 12.8 2.4 +/- 1.75 6.2 +/- 1.75 0.150 / 0.280 G27 229.3 13.6 5.2 +/- 3.16 13.5 +/- 3.16 0.300 / 0.340 G31 175.9 35.8 4.7 +/- 2.11 7.3 +/- 2.11 0.070 / 0.100 G32 355.7 71.6 4.0 +/- 0.66 4.2 +/- 0.66 0.080 / 0.100