PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/30-03:13:10 G01 123.4 12.5 9.0 +/- 2.85 23.9 +/- 2.85 0.030 / 0.040 G07 57.5 69.4 7.1 +/- 0.36 7.5 +/- 0.36 0.030 / 0.030 G08 49.0 37.5 5.9 +/- 0.98 8.9 +/- 0.98 0.090 / 0.040 G09 174.6 31.0 7.5 +/- 1.60 12.9 +/- 1.60 0.040 / 0.060 G11 121.1 37.1 7.9 +/- 0.84 12.0 +/- 0.84 0.070 / 0.090 G13 320.1 14.3 2.3 +/- 3.25 5.9 +/- 3.25 0.060 / 0.110 G17 199.2 16.6 6.9 +/- 1.73 16.4 +/- 1.73 0.100 / 0.140 G28 269.5 46.7 7.1 +/- 2.81 9.3 +/- 2.81 0.100 / 0.190 G30 329.2 58.8 6.8 +/- 0.58 7.8 +/- 0.58 0.070 / 0.120