PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/26-09:57:40 G03 209.0 56.6 7.5 +/- 0.79 8.8 +/- 0.79 0.100 / 0.160 G07 259.3 20.2 4.9 +/- 1.33 10.7 +/- 1.33 0.080 / 0.160 G09 310.4 27.9 2.6 +/- 1.21 4.8 +/- 1.21 0.060 / 0.080 G16 94.9 64.2 4.8 +/- 0.83 5.3 +/- 0.83 0.050 / 0.090 G22 188.2 40.0 5.6 +/- 1.54 8.2 +/- 1.54 0.040 / 0.060 G23 335.5 63.6 4.2 +/- 0.67 4.6 +/- 0.67 0.040 / 0.050 G26 53.4 42.8 2.9 +/- 0.34 4.1 +/- 0.34 0.210 / 0.310 G27 134.4 10.7 -9.2 +/- 28.42 -25.3 +/- 28.42 0.210 / 0.270