PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/23-02:28:10 G01 299.2 38.8 7.6 +/- 4.54 11.3 +/- 4.54 0.070 / 0.090 G10 113.0 33.0 9.0 +/- 1.13 14.9 +/- 1.13 0.110 / 0.090 G11 274.8 26.6 8.5 +/- 0.99 16.1 +/- 0.99 0.030 / 0.050 G14 7.6 64.3 7.8 +/- 0.67 8.5 +/- 0.67 0.040 / 0.050 G18 264.1 50.1 11.7 +/- 9.12 14.7 +/- 9.12 0.070 / 0.060 G22 312.1 30.5 7.9 +/- 1.07 13.6 +/- 1.07 0.070 / 0.050 G25 76.3 17.9 6.9 +/- 1.13 15.9 +/- 1.13 0.110 / 0.180 G31 150.4 73.0 9.7 +/- 0.87 10.1 +/- 0.87 0.100 / 0.180 G32 43.0 47.7 6.8 +/- 1.23 8.8 +/- 1.23 0.040 / 0.050