PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/30-06:12:40 G01 67.7 32.5 3.8 +/- 1.06 6.3 +/- 1.06 0.060 / 0.120 G07 138.7 26.7 7.4 +/- 1.20 14.0 +/- 1.20 0.070 / 0.100 G11 50.9 27.6 2.3 +/- 1.23 4.3 +/- 1.23 0.030 / 0.040 G13 270.6 37.5 7.5 +/- 1.03 11.4 +/- 1.03 0.040 / 0.040 G15 302.0 14.7 1.4 +/- 1.24 3.4 +/- 1.24 0.060 / 0.070 G17 240.6 74.2 6.7 +/- 0.78 6.9 +/- 0.78 0.040 / 0.050 G19 225.7 41.8 8.6 +/- 1.46 12.2 +/- 1.46 0.040 / 0.110 G28 20.5 59.4 4.4 +/- 0.73 5.0 +/- 0.73 0.050 / 0.100 G30 138.4 61.0 7.8 +/- 0.75 8.8 +/- 0.75 0.030 / 0.030