PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/28-17:57:30 G03 192.7 30.6 13.6 +/- 1.33 23.5 +/- 1.33 0.070 / 0.120 G07 278.0 29.8 11.0 +/- 1.07 19.4 +/- 1.07 0.090 / 0.130 G08 153.4 16.0 16.8 +/- 2.26 40.8 +/- 2.26 0.130 / 0.330 G09 319.4 49.4 10.1 +/- 1.44 12.8 +/- 1.44 0.150 / 0.380 G16 48.8 50.0 10.1 +/- 0.46 12.8 +/- 0.46 0.030 / 0.040 G22 178.7 15.0 13.9 +/- 2.85 34.5 +/- 2.85 0.020 / 0.040 G23 46.1 81.7 8.3 +/- 0.75 8.4 +/- 0.75 0.060 / 0.160 G26 43.0 20.9 9.0 +/- 1.19 19.3 +/- 1.19 0.070 / 0.180 G27 112.5 27.4 13.6 +/- 0.52 25.3 +/- 0.52 0.040 / 0.050