PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/26-06:12:40 G01 76.8 33.2 4.9 +/- 0.99 8.1 +/- 0.99 0.050 / 0.090 G07 134.2 33.8 7.9 +/- 1.01 12.8 +/- 1.01 0.060 / 0.090 G11 56.2 32.8 4.3 +/- 0.92 7.1 +/- 0.92 0.050 / 0.070 G13 280.5 38.2 8.1 +/- 1.51 12.1 +/- 1.51 0.040 / 0.080 G15 308.6 12.8 4.4 +/- 2.31 11.5 +/- 2.31 0.030 / 0.020 G17 225.4 67.4 8.7 +/- 0.78 9.4 +/- 0.78 0.030 / 0.020 G19 220.4 34.7 8.7 +/- 2.08 13.8 +/- 2.08 0.030 / 0.030 G28 6.6 60.8 5.4 +/- 1.09 6.1 +/- 1.09 0.030 / 0.030 G30 129.0 68.5 8.2 +/- 0.76 8.8 +/- 0.76 0.040 / 0.060