PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/08-15:57:50 G07 40.9 69.8 10.2 +/- 1.07 10.8 +/- 1.07 0.040 / 0.050 G08 54.1 43.4 9.4 +/- 0.49 13.0 +/- 0.49 0.040 / 0.050 G09 178.2 39.3 12.3 +/- 1.54 18.1 +/- 1.54 0.030 / 0.030 G11 122.4 33.1 11.6 +/- 0.83 19.1 +/- 0.83 0.030 / 0.040 G17 200.3 9.9 -9.8 +/- 10.89 -27.3 +/- 10.89 0.040 / 0.050 G18 107.1 14.9 11.9 +/- 1.83 29.8 +/- 1.83 0.040 / 0.050 G28 271.1 51.1 9.8 +/- 1.08 12.3 +/- 1.08 0.120 / 0.000 G30 329.4 57.9 8.9 +/- 0.72 10.4 +/- 0.72 0.080 / 0.070