PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/06-17:43:00 G01 241.3 30.3 10.3 +/- 1.82 17.9 +/- 1.82 0.050 / 0.060 G03 312.7 53.9 8.4 +/- 0.94 10.1 +/- 0.94 0.050 / 0.070 G14 69.6 34.7 8.3 +/- 0.58 13.3 +/- 0.58 0.030 / 0.040 G16 161.4 24.3 12.3 +/- 1.18 24.4 +/- 1.18 0.030 / 0.050 G18 210.9 18.9 8.9 +/- 1.13 20.0 +/- 1.13 0.100 / 0.200 G22 282.7 74.2 10.7 +/- 0.82 11.1 +/- 0.82 0.100 / 0.250 G23 292.6 23.4 8.1 +/- 2.14 16.5 +/- 2.14 0.060 / 0.140 G26 134.5 43.6 12.6 +/- 0.69 17.3 +/- 0.69 0.050 / 0.160 G31 39.7 53.8 8.6 +/- 0.67 10.4 +/- 0.67 0.070 / 0.230 G32 83.3 19.7 9.3 +/- 1.04 20.6 +/- 1.04 0.070 / 0.200