PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/05-13:13:10 G07 309.1 49.4 7.7 +/- 2.24 9.7 +/- 2.24 0.120 / 0.070 G08 131.5 38.3 10.4 +/- 0.54 15.6 +/- 0.54 0.090 / 0.060 G09 311.0 74.9 8.7 +/- 1.01 9.0 +/- 1.01 0.080 / 0.080 G16 42.0 27.7 5.2 +/- 2.09 9.6 +/- 2.09 0.050 / 0.060 G23 141.2 64.2 9.1 +/- 0.46 10.0 +/- 0.46 0.030 / 0.040 G27 84.3 37.3 9.4 +/- 0.88 14.4 +/- 0.88 0.030 / 0.050 G30 285.4 23.6 10.1 +/- 1.36 20.4 +/- 1.36 0.040 / 0.020