PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/19-01:43:00 G01 319.1 18.9 7.3 +/- 0.88 16.6 +/- 0.88 0.110 / 0.350 G08 262.7 13.8 10.0 +/- 1.08 25.6 +/- 1.08 0.070 / 0.230 G10 79.8 51.9 9.8 +/- 0.62 12.1 +/- 0.62 0.040 / 0.050 G11 304.5 21.8 6.6 +/- 2.72 13.9 +/- 2.72 0.040 / 0.040 G14 290.1 69.9 8.6 +/- 0.58 9.1 +/- 0.58 0.120 / 0.270 G18 305.1 40.6 8.2 +/- 0.87 11.9 +/- 0.87 0.120 / 0.250 G20 105.1 29.2 8.5 +/- 1.01 15.2 +/- 1.01 0.040 / 0.060 G31 174.5 42.4 10.7 +/- 0.82 15.0 +/- 0.82 0.040 / 0.060 G32 5.3 68.3 8.7 +/- 0.53 9.2 +/- 0.53 0.170 / 0.260