PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/05-18:28:00 G10 256.6 33.1 11.8 +/- 2.33 19.5 +/- 2.33 0.060 / 0.050 G13 47.6 24.6 10.0 +/- 1.09 19.8 +/- 1.09 0.050 / 0.050 G15 72.8 54.9 11.7 +/- 0.47 14.0 +/- 0.47 0.070 / 0.180 G16 288.5 15.3 7.8 +/- 2.99 19.3 +/- 2.99 0.060 / 0.190 G20 281.6 56.1 12.7 +/- 0.80 15.0 +/- 0.80 0.190 / 0.530 G21 342.5 64.2 9.1 +/- 1.18 10.0 +/- 1.18 0.180 / 0.620 G26 262.1 12.7 10.5 +/- 1.23 27.5 +/- 1.23 0.040 / 0.050 G27 322.2 10.1 -15.9 +/- 14.71 -44.3 +/- 14.71 0.030 / 0.060 G29 165.5 43.6 13.5 +/- 1.28 18.6 +/- 1.28 0.050 / 0.070