PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/05-17:27:50 G01 97.6 29.8 10.6 +/- 0.90 18.7 +/- 0.90 0.090 / 0.200 G07 118.8 51.4 12.5 +/- 0.35 15.5 +/- 0.35 0.060 / 0.200 G08 41.9 14.1 8.3 +/- 1.09 21.0 +/- 1.09 0.050 / 0.060 G11 77.2 42.1 12.0 +/- 0.41 16.9 +/- 0.41 0.030 / 0.060 G13 301.6 33.5 12.6 +/- 1.57 20.6 +/- 1.57 0.040 / 0.070 G17 210.8 44.9 15.3 +/- 1.04 20.6 +/- 1.04 0.050 / 0.070 G18 70.8 24.8 11.0 +/- 0.57 21.6 +/- 0.57 0.030 / 0.040 G19 212.2 19.4 12.6 +/- 2.74 28.1 +/- 2.74 0.040 / 0.030 G28 336.3 61.9 11.2 +/- 0.69 12.5 +/- 0.69 0.040 / 0.100 G30 75.6 79.2 13.1 +/- 0.81 13.3 +/- 0.81 0.040 / 0.090