PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/04-19:42:30 G07 312.9 50.8 10.3 +/- 0.96 12.8 +/- 0.96 0.050 / 0.050 G08 123.9 41.9 12.6 +/- 0.56 17.7 +/- 0.56 0.050 / 0.060 G09 300.1 79.4 11.4 +/- 0.84 11.6 +/- 0.84 0.030 / 0.030 G16 42.1 27.7 7.4 +/- 1.83 13.6 +/- 1.83 0.040 / 0.030 G23 145.8 63.9 11.5 +/- 0.52 12.6 +/- 0.52 0.040 / 0.060 G27 80.5 38.0 10.3 +/- 1.11 15.5 +/- 1.11 0.050 / 0.050 G30 286.9 23.0 11.1 +/- 1.85 22.7 +/- 1.85 0.050 / 0.060