PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/02-05:43:00 G08 264.8 16.7 6.8 +/- 2.94 16.3 +/- 2.94 0.070 / 0.390 G10 67.4 56.9 2.9 +/- 0.44 3.3 +/- 0.44 0.070 / 0.370 G11 309.3 19.0 4.0 +/- 1.44 9.0 +/- 1.44 0.290 / 0.500 G14 270.2 65.5 2.8 +/- 0.55 3.1 +/- 0.55 0.310 / 0.540 G18 310.6 34.2 3.7 +/- 1.20 6.0 +/- 1.20 0.050 / 0.090 G20 95.6 40.1 4.3 +/- 0.79 6.3 +/- 0.79 0.040 / 0.050 G21 155.4 12.8 3.4 +/- 2.54 8.8 +/- 2.54 0.030 / 0.040 G27 229.3 13.6 4.8 +/- 16.50 12.4 +/- 16.50 0.030 / 0.030 G31 175.9 35.8 5.8 +/- 1.05 9.1 +/- 1.05 0.130 / 0.250 G32 355.7 71.6 3.4 +/- 0.48 3.6 +/- 0.48 0.130 / 0.330