PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/16-15:12:40 G01 319.4 16.7 4.2 +/- 3.38 10.1 +/- 3.38 0.060 / 0.070 G08 261.1 13.8 7.3 +/- 2.25 18.7 +/- 2.25 0.050 / 0.070 G10 77.2 54.4 8.5 +/- 0.53 10.1 +/- 0.53 0.130 / 0.400 G11 306.5 20.5 6.2 +/- 3.53 13.6 +/- 3.53 0.200 / 0.490 G14 288.9 69.3 6.3 +/- 0.91 6.7 +/- 0.91 0.040 / 0.060 G22 300.2 10.8 1.7 +/- 12.00 4.8 +/- 12.00 0.040 / 0.050 G31 175.9 41.0 11.9 +/- 1.79 17.0 +/- 1.79 0.040 / 0.050 G32 6.2 68.0 6.6 +/- 0.76 7.1 +/- 0.76 0.040 / 0.040