PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/06-15:28:10 G01 121.3 15.4 10.2 +/- 1.55 25.0 +/- 1.55 0.020 / 0.040 G07 81.2 64.0 10.6 +/- 0.86 11.7 +/- 0.86 0.030 / 0.050 G08 46.9 35.3 7.5 +/- 0.56 11.9 +/- 0.56 0.050 / 0.080 G09 178.1 31.0 9.8 +/- 1.15 16.8 +/- 1.15 0.060 / 0.070 G11 110.3 39.3 9.0 +/- 0.93 13.2 +/- 0.93 0.040 / 0.090 G13 318.7 17.7 6.1 +/- 1.60 14.1 +/- 1.60 0.050 / 0.110 G17 200.7 19.9 9.6 +/- 2.40 21.1 +/- 2.40 0.140 / 0.260 G18 96.2 19.4 9.1 +/- 0.94 20.4 +/- 0.94 0.160 / 0.240 G28 279.5 52.1 10.4 +/- 1.10 12.8 +/- 1.10 0.080 / 0.200