PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/11-13:12:40 G02 61.1 30.4 5.2 +/- 1.66 9.0 +/- 1.66 0.030 / 0.030 G05 59.0 63.6 4.5 +/- 0.72 5.0 +/- 0.72 0.020 / 0.030 G12 181.4 29.1 8.0 +/- 0.58 14.3 +/- 0.58 0.070 / 0.120 G13 125.5 15.7 7.2 +/- 1.68 17.5 +/- 1.68 0.050 / 0.120 G15 161.2 14.7 4.6 +/- 2.24 11.6 +/- 2.24 0.270 / 0.360 G21 272.8 18.0 3.1 +/- 4.50 7.2 +/- 4.50 0.090 / 0.200 G25 235.2 51.3 7.7 +/- 2.47 9.6 +/- 2.47 0.030 / 0.040 G29 328.8 54.7 3.8 +/- 0.47 4.6 +/- 0.47 0.030 / 0.040