PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/12-19:42:50 G08 317.5 13.9 10.5 +/- 1.76 26.9 +/- 1.76 0.060 / 0.090 G10 319.3 58.1 13.5 +/- 1.22 15.7 +/- 1.22 0.050 / 0.080 G14 214.0 19.4 13.7 +/- 5.01 30.6 +/- 5.01 0.030 / 0.050 G15 45.8 16.5 9.8 +/- 1.01 23.6 +/- 1.01 0.040 / 0.050 G20 24.1 62.5 11.5 +/- 0.36 12.8 +/- 0.36 0.160 / 0.520 G21 123.2 65.6 14.0 +/- 0.67 15.2 +/- 0.67 0.120 / 0.390 G24 86.0 30.2 13.7 +/- 0.56 24.0 +/- 0.56 0.100 / 0.140 G27 286.5 37.9 12.6 +/- 1.33 19.0 +/- 1.33 0.100 / 0.140 G32 216.0 44.8 15.0 +/- 0.69 20.3 +/- 0.69 0.130 / 0.300