PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/11-17:28:00 G01 84.3 32.9 11.5 +/- 0.44 19.0 +/- 0.44 0.030 / 0.030 G07 129.8 41.4 12.6 +/- 0.83 17.9 +/- 0.83 0.030 / 0.040 G11 63.5 37.7 10.1 +/- 0.54 15.3 +/- 0.54 0.040 / 0.070 G13 288.6 37.2 11.4 +/- 1.05 17.4 +/- 1.05 0.030 / 0.070 G15 312.7 11.3 8.6 +/- 1.51 23.3 +/- 1.51 0.050 / 0.090 G17 219.0 56.6 13.0 +/- 0.78 15.2 +/- 0.78 0.040 / 0.110 G18 58.9 22.7 9.7 +/- 1.17 20.0 +/- 1.17 0.110 / 0.300 G19 217.2 29.7 13.5 +/- 2.36 23.8 +/- 2.36 0.130 / 0.290 G28 359.0 61.3 10.3 +/- 0.54 11.6 +/- 0.54 0.040 / 0.050 G30 118.3 72.1 13.0 +/- 0.63 13.6 +/- 0.63 0.040 / 0.050