PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/26-00:57:50 G10 245.8 24.0 12.5 +/- 1.06 24.9 +/- 1.06 0.070 / 0.140 G13 58.6 31.8 8.3 +/- 0.82 14.0 +/- 0.82 0.080 / 0.130 G15 96.7 57.5 11.2 +/- 1.11 13.0 +/- 1.11 0.030 / 0.050 G16 302.7 14.9 6.7 +/- 1.83 16.6 +/- 1.83 0.040 / 0.050 G20 262.7 46.8 11.8 +/- 3.81 15.5 +/- 3.81 0.060 / 0.120 G21 327.3 55.9 9.2 +/- 0.56 10.9 +/- 0.56 0.050 / 0.150 G26 274.6 17.4 9.4 +/- 2.32 21.9 +/- 2.32 0.080 / 0.370 G29 160.6 55.1 11.6 +/- 0.37 13.8 +/- 0.37 0.070 / 0.390