PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/17-00:43:00 G10 277.9 45.0 11.3 +/- 1.26 15.2 +/- 1.26 0.060 / 0.030 G13 38.2 10.2 7.0 +/- 3.04 19.4 +/- 3.04 0.060 / 0.030 G15 51.4 41.0 7.7 +/- 0.93 11.0 +/- 0.93 0.070 / 0.120 G20 315.7 63.2 9.5 +/- 0.73 10.5 +/- 0.73 0.080 / 0.130 G21 29.2 76.1 10.2 +/- 0.33 10.5 +/- 0.33 0.070 / 0.070 G24 113.4 19.3 9.8 +/- 2.28 22.0 +/- 2.28 0.110 / 0.070 G27 314.3 24.9 7.6 +/- 1.74 14.8 +/- 1.74 0.090 / 0.680 G29 167.5 21.4 10.0 +/- 1.59 21.3 +/- 1.59 0.130 / 0.560 G32 205.9 16.1 13.0 +/- 2.75 31.5 +/- 2.75 0.060 / 0.060