PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/22-23:12:50 G01 319.9 16.7 -18.6 +/- 25.75 -44.5 +/- 25.75 0.130 / 0.290 G08 263.3 15.3 9.3 +/- 1.70 23.0 +/- 1.70 0.040 / 0.040 G10 75.3 53.4 8.7 +/- 0.58 10.5 +/- 0.58 0.040 / 0.060 G11 307.6 19.7 6.1 +/- 1.66 13.6 +/- 1.66 0.050 / 0.090 G14 278.9 67.9 8.6 +/- 0.54 9.2 +/- 0.54 0.060 / 0.080 G18 307.9 38.2 7.3 +/- 1.70 10.9 +/- 1.70 0.140 / 0.300 G20 102.9 30.5 8.8 +/- 1.21 15.2 +/- 1.21 0.130 / 0.270 G27 226.7 11.6 12.5 +/- 1.42 33.7 +/- 1.42 0.200 / 0.450 G31 175.5 38.9 9.8 +/- 1.13 14.5 +/- 1.13 0.210 / 0.400 G32 1.1 70.0 7.7 +/- 0.85 8.1 +/- 0.85 0.040 / 0.030