PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/08-15:58:10 G01 105.5 25.6 8.7 +/- 0.83 16.8 +/- 0.83 0.030 / 0.050 G07 111.0 52.5 10.9 +/- 0.78 13.3 +/- 0.78 0.020 / 0.050 G08 41.9 20.6 8.3 +/- 1.03 18.0 +/- 1.03 0.040 / 0.070 G09 175.4 14.3 11.2 +/- 0.84 28.5 +/- 0.84 0.050 / 0.060 G11 86.7 43.3 9.6 +/- 0.59 13.2 +/- 0.59 0.040 / 0.090 G13 308.5 30.1 10.6 +/- 1.76 18.6 +/- 1.76 0.050 / 0.100 G17 205.7 37.4 11.7 +/- 1.06 17.8 +/- 1.06 0.090 / 0.150 G18 77.9 24.1 8.6 +/- 1.24 17.2 +/- 1.24 0.070 / 0.150 G28 308.9 59.0 9.3 +/- 0.83 10.7 +/- 0.83 0.050 / 0.090 G30 47.3 78.5 10.7 +/- 0.66 10.9 +/- 0.66 0.040 / 0.080