PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/11-03:42:30 G01 90.7 30.2 6.0 +/- 0.89 10.4 +/- 0.89 0.040 / 0.040 G07 122.3 48.4 6.7 +/- 0.78 8.7 +/- 0.78 0.030 / 0.030 G11 75.8 44.4 4.6 +/- 0.60 6.3 +/- 0.60 0.090 / 0.120 G13 296.7 36.5 4.9 +/- 1.43 7.6 +/- 1.43 0.080 / 0.120 G15 315.1 10.6 -7.0 +/- 14.73 -19.3 +/- 14.73 0.040 / 0.080 G17 210.8 51.4 9.0 +/- 1.52 11.1 +/- 1.52 0.040 / 0.070 G19 212.0 26.7 6.9 +/- 2.08 13.0 +/- 2.08 0.040 / 0.050 G28 324.3 60.2 5.8 +/- 2.02 6.6 +/- 2.02 0.040 / 0.050 G30 75.3 81.4 4.2 +/- 0.68 4.2 +/- 0.68 0.070 / 0.060