PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-02:27:40 G10 287.1 48.0 11.5 +/- 1.41 14.9 +/- 1.41 0.080 / 0.100 G15 48.4 36.6 7.8 +/- 0.42 12.0 +/- 0.42 0.080 / 0.110 G20 311.4 60.1 10.9 +/- 0.87 12.4 +/- 0.87 0.040 / 0.050 G21 63.3 77.5 10.7 +/- 0.59 11.0 +/- 0.59 0.040 / 0.060 G24 104.0 23.3 10.3 +/- 0.99 20.9 +/- 0.99 0.040 / 0.040 G27 307.6 30.5 9.2 +/- 2.38 15.9 +/- 2.38 0.040 / 0.040 G29 168.9 15.2 13.1 +/- 2.58 32.4 +/- 2.58 0.080 / 0.200 G32 207.5 26.6 13.4 +/- 1.51 25.2 +/- 1.51 0.070 / 0.180