PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/26-06:27:50 G01 68.5 32.6 5.6 +/- 1.13 9.2 +/- 1.13 0.070 / 0.110 G07 138.3 27.4 6.9 +/- 1.01 12.8 +/- 1.01 0.060 / 0.100 G11 51.3 28.1 3.5 +/- 0.67 6.3 +/- 0.67 0.040 / 0.040 G13 271.4 37.6 7.6 +/- 1.30 11.5 +/- 1.30 0.030 / 0.030 G15 302.7 14.5 2.4 +/- 0.92 6.1 +/- 0.92 0.040 / 0.040 G17 238.9 73.7 9.4 +/- 0.79 9.7 +/- 0.79 0.040 / 0.030 G19 225.2 41.1 7.2 +/- 1.57 10.3 +/- 1.57 0.060 / 0.070 G28 19.5 59.5 6.0 +/- 0.65 6.9 +/- 0.65 0.070 / 0.070 G30 137.8 61.7 9.3 +/- 0.71 10.4 +/- 0.71 0.060 / 0.120