PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/07-17:12:40 G05 47.0 22.8 7.9 +/- 1.37 16.4 +/- 1.37 0.050 / 0.080 G10 233.5 11.2 -10.1 +/- 38.62 -27.4 +/- 38.62 0.070 / 0.090 G13 79.5 35.3 12.0 +/- 1.67 18.9 +/- 1.67 0.340 / 0.760 G15 128.7 50.1 10.9 +/- 0.49 13.7 +/- 0.49 0.500 / 0.780 G16 316.7 11.4 5.5 +/- 19.73 14.9 +/- 19.73 0.070 / 0.130 G20 245.5 35.6 12.9 +/- 2.16 20.3 +/- 2.16 0.050 / 0.110 G21 309.7 43.9 10.3 +/- 0.86 14.1 +/- 0.86 0.040 / 0.060 G25 201.9 14.8 11.2 +/- 3.51 28.0 +/- 3.51 0.030 / 0.050 G26 291.4 20.3 8.8 +/- 1.84 19.3 +/- 1.84 0.110 / 0.190 G29 148.2 77.9 10.4 +/- 0.53 10.6 +/- 0.53 0.080 / 0.260