PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/11-09:42:50 G02 219.3 65.0 5.8 +/- 0.67 6.4 +/- 0.67 0.050 / 0.070 G06 50.5 70.6 5.3 +/- 0.50 5.6 +/- 0.50 0.050 / 0.070 G12 320.1 42.5 4.7 +/- 1.75 6.6 +/- 1.75 0.040 / 0.050 G17 59.6 30.1 3.5 +/- 1.15 6.2 +/- 1.15 0.040 / 0.040 G19 44.8 45.1 3.9 +/- 0.49 5.2 +/- 0.49 0.050 / 0.070 G24 262.6 40.1 5.5 +/- 0.73 8.0 +/- 0.73 0.050 / 0.060 G28 122.6 18.6 7.5 +/- 1.24 17.1 +/- 1.24 0.110 / 0.390