PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/14-17:57:40 G03 192.8 30.7 16.3 +/- 1.30 28.2 +/- 1.30 0.070 / 0.120 G07 281.3 34.9 14.1 +/- 0.98 22.4 +/- 0.98 0.080 / 0.120 G08 147.9 18.6 16.8 +/- 2.86 38.3 +/- 2.86 0.050 / 0.110 G09 319.7 50.1 11.6 +/- 1.46 14.6 +/- 1.46 0.060 / 0.100 G16 52.4 55.5 12.0 +/- 0.66 14.2 +/- 0.66 0.110 / 0.180 G22 179.1 14.6 15.6 +/- 3.04 39.3 +/- 3.04 0.120 / 0.150 G23 16.4 81.3 11.9 +/- 0.63 12.0 +/- 0.63 0.030 / 0.040 G26 43.9 25.6 10.9 +/- 0.77 21.0 +/- 0.77 0.030 / 0.040 G27 115.3 27.0 17.3 +/- 1.31 32.3 +/- 1.31 0.190 / 0.450