PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/04-03:28:10 G10 246.6 23.1 11.4 +/- 3.27 23.4 +/- 3.27 0.130 / 0.590 G13 58.4 32.5 9.1 +/- 0.63 15.1 +/- 0.63 0.120 / 0.530 G15 97.5 58.0 10.0 +/- 0.32 11.5 +/- 0.32 0.040 / 0.070 G16 299.6 15.7 7.1 +/- 2.80 17.3 +/- 2.80 0.040 / 0.060 G20 271.4 57.0 11.6 +/- 1.00 13.5 +/- 1.00 0.060 / 0.120 G21 327.3 56.4 9.0 +/- 0.78 10.5 +/- 0.78 0.050 / 0.110 G26 271.0 17.5 9.2 +/- 2.09 21.6 +/- 2.09 0.120 / 0.240 G29 163.8 56.3 10.9 +/- 0.61 12.8 +/- 0.61 0.100 / 0.210