PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/09-07:58:10 G01 88.8 32.0 4.5 +/- 1.25 7.6 +/- 1.25 0.060 / 0.040 G07 126.6 43.4 5.6 +/- 0.38 7.8 +/- 0.38 0.060 / 0.050 G11 67.3 38.5 3.5 +/- 0.72 5.3 +/- 0.72 0.040 / 0.040 G13 295.0 35.3 2.4 +/- 4.92 3.8 +/- 4.92 0.030 / 0.050 G15 314.7 10.6 -9.1 +/- 5.95 -25.1 +/- 5.95 0.050 / 0.030 G17 215.2 56.6 6.6 +/- 0.90 7.7 +/- 0.90 0.050 / 0.040 G19 215.0 29.6 5.9 +/- 3.23 10.4 +/- 3.23 0.260 / 0.250 G28 352.7 61.5 1.6 +/- 0.64 1.8 +/- 0.64 0.100 / 0.100 G30 106.8 74.9 3.4 +/- 0.55 3.5 +/- 0.55 0.100 / 0.090