PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/29-19:43:10 G10 282.7 47.3 12.1 +/- 1.65 15.8 +/- 1.65 0.040 / 0.050 G15 49.5 38.0 11.7 +/- 0.93 17.6 +/- 0.93 0.040 / 0.040 G20 328.1 64.8 12.5 +/- 0.80 13.7 +/- 0.80 0.070 / 0.070 G21 44.2 77.0 14.5 +/- 1.16 14.9 +/- 1.16 0.030 / 0.070 G24 111.2 21.2 12.8 +/- 1.88 27.3 +/- 1.88 0.090 / 0.180 G27 311.5 27.9 10.0 +/- 1.38 18.4 +/- 1.38 0.070 / 0.110 G29 168.2 19.2 16.6 +/- 1.85 37.2 +/- 1.85 0.100 / 0.190 G32 206.1 21.3 16.9 +/- 2.44 36.1 +/- 2.44 0.090 / 0.170