PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/13-08:12:50 G02 200.5 26.5 6.0 +/- 3.24 11.2 +/- 3.24 0.140 / 0.360 G06 166.1 59.7 11.4 +/- 1.03 12.9 +/- 1.03 0.120 / 0.270 G12 302.7 11.8 2.5 +/- 3.05 6.6 +/- 3.05 0.100 / 0.370 G13 222.2 10.2 3.5 +/- 8.14 9.7 +/- 8.14 0.070 / 0.290 G17 27.3 55.9 5.5 +/- 0.26 6.5 +/- 0.26 0.100 / 0.110 G19 345.0 69.5 5.7 +/- 0.56 6.0 +/- 0.56 0.060 / 0.120 G24 307.0 31.6 4.9 +/- 1.62 8.2 +/- 1.62 0.040 / 0.040 G28 87.6 43.8 7.4 +/- 0.57 10.1 +/- 0.57 0.040 / 0.030 G30 158.7 12.9 5.3 +/- 5.43 13.9 +/- 5.43 0.040 / 0.070