PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-11:12:30 G03 202.7 50.0 6.8 +/- 0.56 8.6 +/- 0.56 0.080 / 0.090 G07 264.6 24.4 6.1 +/- 2.11 12.1 +/- 2.11 0.090 / 0.110 G09 313.2 32.9 4.2 +/- 1.30 6.9 +/- 1.30 0.060 / 0.060 G16 80.0 63.6 5.0 +/- 0.29 5.6 +/- 0.29 0.070 / 0.040 G22 185.6 33.2 4.9 +/- 1.73 8.0 +/- 1.73 0.210 / 0.240 G23 341.7 68.2 5.3 +/- 0.61 5.6 +/- 0.61 0.320 / 0.170 G26 49.2 38.2 4.1 +/- 0.93 6.1 +/- 0.93 0.200 / 0.270 G27 130.0 14.8 4.9 +/- 1.74 12.1 +/- 1.74 0.170 / 0.250