PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/19-04:58:10 G01 125.3 12.9 7.6 +/- 1.98 19.9 +/- 1.98 0.090 / 0.350 G07 63.9 68.2 4.6 +/- 0.29 4.9 +/- 0.29 0.110 / 0.440 G08 47.7 35.4 4.1 +/- 0.98 6.5 +/- 0.98 0.090 / 0.060 G09 175.4 30.8 6.3 +/- 1.72 10.9 +/- 1.72 0.130 / 0.080 G11 113.8 36.9 7.7 +/- 0.62 11.8 +/- 0.62 0.030 / 0.030 G13 320.4 13.8 2.0 +/- 1.97 5.2 +/- 1.97 0.030 / 0.020 G17 199.1 19.3 5.7 +/- 2.07 12.8 +/- 2.07 0.040 / 0.030 G28 277.5 52.7 6.3 +/- 3.86 7.7 +/- 3.86 0.050 / 0.030 G30 333.1 61.1 4.0 +/- 0.69 4.5 +/- 0.69 0.270 / 0.300