PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/12-06:57:50 G08 268.7 17.8 6.5 +/- 4.47 15.1 +/- 4.47 0.120 / 0.350 G10 61.7 58.3 3.8 +/- 2.99 4.4 +/- 2.99 0.140 / 0.180 G11 311.8 16.9 -5.5 +/- 11.16 -13.0 +/- 11.16 0.120 / 0.260 G14 262.7 62.9 19.9 +/- 33.63 22.1 +/- 33.63 0.150 / 0.300 G18 312.5 31.4 14.2 +/- 28.90 24.1 +/- 28.90 0.050 / 0.290 G20 97.9 31.5 5.2 +/- 6.69 8.8 +/- 6.69 0.050 / 0.070 G21 155.0 15.6 4.2 +/- 5.60 10.3 +/- 5.60 0.030 / 0.030 G27 231.4 15.6 12.5 +/- 33.03 30.5 +/- 33.03 0.030 / 0.030 G31 176.6 32.6 10.6 +/- 31.27 17.6 +/- 31.27 0.110 / 0.190 G32 347.0 73.5 20.4 +/- 32.59 21.2 +/- 32.59 0.130 / 0.260