PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/20-03:27:40 G08 319.4 12.2 5.0 +/- 5.72 13.4 +/- 5.72 0.050 / 0.070 G10 313.9 56.9 7.1 +/- 1.56 8.3 +/- 1.56 0.050 / 0.080 G14 212.7 20.2 10.5 +/- 5.44 23.0 +/- 5.44 0.050 / 0.050 G15 45.6 18.9 5.3 +/- 2.04 11.9 +/- 2.04 0.060 / 0.050 G20 14.1 63.9 8.2 +/- 0.78 9.0 +/- 0.78 0.030 / 0.040 G21 119.0 67.4 8.4 +/- 0.41 9.0 +/- 0.41 0.030 / 0.050 G24 87.3 29.3 7.6 +/- 1.62 13.5 +/- 1.62 0.130 / 0.400 G27 290.7 36.9 10.5 +/- 2.49 16.2 +/- 2.49 0.160 / 0.330 G32 215.1 38.9 9.9 +/- 1.12 14.7 +/- 1.12 0.180 / 0.360