PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/06-05:27:50 G08 264.1 16.4 10.3 +/- 2.04 24.8 +/- 2.04 0.340 / 0.380 G10 68.5 56.6 4.5 +/- 0.65 5.3 +/- 0.65 0.240 / 0.360 G11 308.8 19.5 7.7 +/- 2.06 17.2 +/- 2.06 0.040 / 0.060 G14 271.8 66.0 7.0 +/- 0.52 7.6 +/- 0.52 0.040 / 0.060 G18 310.2 34.8 7.3 +/- 1.03 11.6 +/- 1.03 0.030 / 0.030 G20 95.0 41.8 9.0 +/- 0.62 12.7 +/- 0.62 0.030 / 0.030 G21 155.5 12.3 6.6 +/- 2.13 17.5 +/- 2.13 0.060 / 0.430 G27 228.9 13.2 8.2 +/- 15.71 21.3 +/- 15.71 0.090 / 0.430 G31 175.7 36.4 10.8 +/- 1.16 16.7 +/- 1.16 0.140 / 0.260 G32 357.3 71.2 6.8 +/- 0.54 7.2 +/- 0.54 0.120 / 0.300