PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/28-04:42:50 G01 117.5 18.9 6.7 +/- 1.91 15.2 +/- 1.91 0.100 / 0.250 G07 87.9 64.0 5.0 +/- 0.66 5.5 +/- 0.66 0.060 / 0.240 G08 43.5 27.5 2.5 +/- 1.54 4.7 +/- 1.54 0.030 / 0.040 G09 174.7 21.8 5.9 +/- 1.09 12.3 +/- 1.09 0.030 / 0.030 G11 102.1 40.7 6.8 +/- 0.33 9.8 +/- 0.33 0.030 / 0.040 G13 316.6 21.2 2.4 +/- 3.18 5.1 +/- 3.18 0.040 / 0.040 G17 201.0 28.8 6.3 +/- 2.69 11.2 +/- 2.69 0.060 / 0.100 G28 292.9 56.9 4.8 +/- 0.87 5.6 +/- 0.87 0.070 / 0.080 G30 346.0 69.1 3.5 +/- 0.73 3.8 +/- 0.73 0.040 / 0.050