PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/11-02:57:50 G01 308.3 33.5 9.1 +/- 0.63 14.9 +/- 0.63 0.090 / 0.150 G10 104.1 39.8 9.3 +/- 0.47 13.6 +/- 0.47 0.090 / 0.160 G11 284.8 27.1 7.7 +/- 0.97 14.3 +/- 0.97 0.040 / 0.050 G14 348.3 68.4 7.9 +/- 0.87 8.4 +/- 0.87 0.040 / 0.050 G18 279.7 50.1 9.1 +/- 0.75 11.5 +/- 0.75 0.090 / 0.130 G20 119.4 15.5 7.5 +/- 1.54 18.5 +/- 1.54 0.060 / 0.130 G22 309.2 23.3 5.8 +/- 2.33 11.8 +/- 2.33 0.080 / 0.180 G25 85.4 15.6 5.7 +/- 1.29 14.0 +/- 1.29 0.070 / 0.220 G31 164.9 63.7 11.2 +/- 1.16 12.4 +/- 1.16 0.040 / 0.070 G32 33.1 54.5 7.2 +/- 0.33 8.6 +/- 0.33 0.040 / 0.070