PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/27-04:43:10 G01 118.7 18.0 6.4 +/- 0.94 14.8 +/- 0.94 0.030 / 0.040 G07 84.8 64.8 5.7 +/- 0.47 6.2 +/- 0.47 0.040 / 0.040 G08 44.0 28.7 2.6 +/- 0.70 4.7 +/- 0.70 0.110 / 0.370 G09 174.9 23.1 4.9 +/- 2.41 10.0 +/- 2.41 0.100 / 0.420 G11 103.9 40.3 7.0 +/- 0.44 10.2 +/- 0.44 0.060 / 0.070 G13 317.3 20.2 3.6 +/- 3.25 7.8 +/- 3.25 0.050 / 0.070 G17 200.6 27.4 6.3 +/- 2.27 11.7 +/- 2.27 0.030 / 0.040 G28 290.4 56.4 5.1 +/- 0.93 6.0 +/- 0.93 0.030 / 0.040 G30 343.8 67.9 2.9 +/- 0.72 3.2 +/- 0.72 0.050 / 0.120