PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/09-02:43:10 G10 294.5 50.8 10.2 +/- 2.06 12.7 +/- 2.06 0.080 / 0.090 G15 46.8 31.8 7.7 +/- 1.29 12.9 +/- 1.29 0.060 / 0.080 G20 323.2 62.3 10.0 +/- 0.56 11.1 +/- 0.56 0.040 / 0.040 G21 87.1 75.9 10.5 +/- 0.62 10.8 +/- 0.62 0.040 / 0.040 G24 98.5 25.6 10.2 +/- 1.21 19.6 +/- 1.21 0.070 / 0.130 G27 302.5 33.3 6.0 +/- 1.34 9.9 +/- 1.34 0.070 / 0.130 G29 168.6 10.2 10.0 +/- 3.72 27.8 +/- 3.72 0.070 / 0.120 G32 209.4 31.9 11.0 +/- 1.70 18.5 +/- 1.70 0.060 / 0.070