PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-01:27:50 G10 256.8 31.5 13.3 +/- 0.84 22.6 +/- 0.84 0.130 / 0.340 G13 47.9 25.6 10.1 +/- 0.78 19.5 +/- 0.78 0.150 / 0.310 G15 75.9 56.6 10.9 +/- 0.43 12.8 +/- 0.43 0.120 / 0.350 G16 287.5 15.0 8.1 +/- 1.66 20.1 +/- 1.66 0.110 / 0.350 G20 270.7 45.5 11.5 +/- 0.77 15.4 +/- 0.77 0.110 / 0.100 G21 341.7 64.5 9.4 +/- 0.84 10.3 +/- 0.84 0.090 / 0.100 G26 260.0 12.7 11.8 +/- 5.05 31.0 +/- 5.05 0.050 / 0.050 G27 322.1 10.6 -12.0 +/- 28.93 -33.0 +/- 28.93 0.060 / 0.050 G29 166.9 43.2 11.9 +/- 0.82 16.4 +/- 0.82 0.040 / 0.070