PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/28-06:12:40 G01 72.2 33.0 4.0 +/- 0.50 6.6 +/- 0.50 0.060 / 0.130 G07 136.6 30.3 6.7 +/- 1.17 11.7 +/- 1.17 0.050 / 0.140 G11 53.3 30.3 4.2 +/- 0.65 7.4 +/- 0.65 0.030 / 0.040 G13 275.5 38.1 7.0 +/- 1.17 10.5 +/- 1.17 0.030 / 0.030 G15 305.4 13.9 2.1 +/- 1.31 5.3 +/- 1.31 0.040 / 0.110 G17 231.8 70.9 7.0 +/- 0.75 7.4 +/- 0.75 0.050 / 0.110 G19 222.9 38.3 5.5 +/- 1.43 8.3 +/- 1.43 0.030 / 0.040 G28 13.6 60.2 4.2 +/- 0.45 4.8 +/- 0.45 0.030 / 0.040 G30 134.3 64.8 6.2 +/- 0.53 6.7 +/- 0.53 0.070 / 0.070