PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/10-21:42:40 G07 10.9 67.5 10.2 +/- 1.01 11.0 +/- 1.01 0.100 / 0.170 G08 68.8 51.4 10.6 +/- 0.69 13.1 +/- 0.69 0.090 / 0.130 G09 181.3 52.3 13.5 +/- 0.71 16.6 +/- 0.71 0.240 / 0.260 G11 134.3 25.6 13.8 +/- 3.82 26.5 +/- 3.82 0.360 / 0.130 G23 159.1 18.8 13.6 +/- 1.41 30.9 +/- 1.41 0.060 / 0.050 G27 40.8 17.6 7.5 +/- 2.93 17.5 +/- 2.93 0.040 / 0.050 G28 257.7 45.0 12.0 +/- 3.01 16.2 +/- 3.01 0.130 / 0.190 G30 322.2 52.3 9.3 +/- 0.65 11.5 +/- 0.65 0.110 / 0.160