PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/03-14:42:50 G01 37.8 10.9 7.1 +/- 2.97 19.6 +/- 2.97 0.040 / 0.090 G02 200.3 11.4 4.3 +/- 13.84 11.6 +/- 13.84 0.040 / 0.070 G06 172.2 45.8 10.6 +/- 1.02 14.1 +/- 1.02 0.170 / 0.300 G13 231.5 18.5 8.9 +/- 2.04 20.4 +/- 2.04 0.230 / 0.360 G17 3.7 68.5 9.1 +/- 0.78 9.7 +/- 0.78 0.030 / 0.030 G19 300.3 72.1 8.7 +/- 0.58 9.1 +/- 0.58 0.040 / 0.040 G24 314.3 23.2 6.2 +/- 2.82 12.5 +/- 2.82 0.110 / 0.470 G28 73.2 48.7 6.2 +/- 0.72 7.9 +/- 0.72 0.150 / 0.430 G30 155.8 21.4 8.4 +/- 1.60 17.9 +/- 1.60 0.100 / 0.190