PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/03-06:58:10 G08 313.6 16.9 3.7 +/- 2.45 8.9 +/- 2.45 0.040 / 0.050 G10 325.3 59.1 4.6 +/- 0.72 5.3 +/- 0.72 0.030 / 0.040 G14 215.3 27.0 5.3 +/- 1.54 10.0 +/- 1.54 0.050 / 0.080 G15 46.2 13.1 0.7 +/- 1.50 1.9 +/- 1.50 0.070 / 0.080 G20 28.8 62.0 4.2 +/- 0.65 4.6 +/- 0.65 0.040 / 0.050 G21 129.2 60.2 5.6 +/- 0.47 6.3 +/- 0.47 0.040 / 0.050 G24 78.6 29.7 5.0 +/- 0.65 8.7 +/- 0.65 0.090 / 0.220 G27 282.8 37.4 4.9 +/- 0.75 7.4 +/- 0.75 0.070 / 0.190 G32 219.4 43.3 7.4 +/- 1.15 10.3 +/- 1.15 0.060 / 0.150