PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/14-01:58:10 G08 317.3 13.8 7.8 +/- 1.62 19.9 +/- 1.62 0.050 / 0.060 G10 321.5 58.4 12.9 +/- 0.65 14.9 +/- 0.65 0.070 / 0.060 G14 214.3 23.6 18.3 +/- 2.56 36.8 +/- 2.56 0.030 / 0.030 G15 45.9 15.7 7.1 +/- 3.35 17.5 +/- 3.35 0.030 / 0.030 G20 22.7 62.9 12.9 +/- 1.01 14.3 +/- 1.01 0.040 / 0.040 G21 125.6 64.3 14.6 +/- 0.58 16.0 +/- 0.58 0.040 / 0.050 G24 82.8 30.0 12.0 +/- 1.29 21.0 +/- 1.29 0.190 / 0.300 G27 285.1 37.7 15.5 +/- 0.62 23.4 +/- 0.62 0.140 / 0.350 G32 217.4 43.9 16.8 +/- 0.97 23.0 +/- 0.97 0.270 / 0.270