PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/30-03:57:50 G07 331.0 57.7 4.0 +/- 0.68 4.7 +/- 0.68 0.120 / 0.170 G08 103.3 51.0 5.5 +/- 0.58 6.8 +/- 0.58 0.090 / 0.140 G09 185.0 73.9 3.6 +/- 0.59 3.7 +/- 0.59 0.040 / 0.060 G11 149.2 12.1 6.0 +/- 3.85 16.0 +/- 3.85 0.050 / 0.050 G23 154.8 43.9 5.9 +/- 0.96 8.1 +/- 0.96 0.240 / 0.430 G27 57.5 32.7 4.8 +/- 1.09 8.0 +/- 1.09 0.140 / 0.490 G28 233.6 20.2 5.0 +/- 3.35 10.9 +/- 3.35 0.040 / 0.040 G30 298.6 31.3 4.1 +/- 1.54 6.9 +/- 1.54 0.030 / 0.040