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 +/- 1.50 6.6 +/- 1.50 0.080 / 0.090 G07 136.6 30.3 7.5 +/- 0.96 13.0 +/- 0.96 0.060 / 0.090 G11 53.3 30.3 4.3 +/- 2.27 7.5 +/- 2.27 0.070 / 0.080 G13 275.5 38.1 6.5 +/- 1.34 9.8 +/- 1.34 0.050 / 0.090 G15 305.4 13.9 1.5 +/- 1.21 3.7 +/- 1.21 0.030 / 0.030 G17 231.8 70.9 7.4 +/- 0.33 7.8 +/- 0.33 0.030 / 0.030 G19 222.9 38.3 7.3 +/- 1.56 11.0 +/- 1.56 0.030 / 0.040 G28 13.6 60.2 4.7 +/- 1.59 5.4 +/- 1.59 0.030 / 0.040 G30 134.3 64.8 7.1 +/- 0.36 7.7 +/- 0.36 0.040 / 0.040