PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/26-11:57:40 G02 204.9 37.2 6.5 +/- 1.19 10.0 +/- 1.19 0.100 / 0.090 G06 147.7 73.3 7.1 +/- 0.33 7.4 +/- 0.33 0.110 / 0.120 G12 309.3 19.3 2.7 +/- 1.83 6.1 +/- 1.83 0.030 / 0.050 G17 37.8 47.7 3.9 +/- 1.56 5.1 +/- 1.56 0.040 / 0.040 G19 12.7 61.8 4.5 +/- 0.61 5.0 +/- 0.61 0.050 / 0.040 G24 294.4 38.7 4.1 +/- 1.58 6.0 +/- 1.58 0.060 / 0.030 G28 102.4 35.0 5.1 +/- 0.78 8.1 +/- 0.78 0.070 / 0.120