PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/03-02:58:10 G10 288.5 48.6 9.6 +/- 1.62 12.3 +/- 1.62 0.080 / 0.100 G15 48.0 35.4 6.7 +/- 1.07 10.5 +/- 1.07 0.060 / 0.090 G20 321.4 62.8 10.1 +/- 0.66 11.2 +/- 0.66 0.070 / 0.200 G21 68.6 77.3 9.2 +/- 0.51 9.5 +/- 0.51 0.080 / 0.210 G24 103.1 23.8 10.2 +/- 1.56 20.5 +/- 1.56 0.040 / 0.050 G27 306.6 31.1 7.5 +/- 2.76 12.8 +/- 2.76 0.040 / 0.040 G29 168.9 14.1 12.8 +/- 2.72 32.4 +/- 2.72 0.050 / 0.060 G32 207.9 27.6 12.7 +/- 1.61 23.4 +/- 1.61 0.040 / 0.060