PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-15:43:10
G01     317.8          20.6                5.5 +/-    1.80      11.9 +/-    1.80  0.190 / 0.340
G08     256.7          11.5                5.9 +/-   14.96      15.8 +/-   14.96  0.120 / 0.310
G10     84.5           51.7                5.7 +/-    1.10       7.1 +/-    1.10  0.050 / 0.040
G11     302.2          22.9                6.0 +/-    1.23      12.4 +/-    1.23  0.050 / 0.060
G14     303.8          70.4                6.4 +/-    0.46       6.7 +/-    0.46  0.180 / 0.440
G22     302.6          13.9                6.6 +/-    3.83      16.7 +/-    3.83  0.190 / 0.340
G25     99.0           9.9                -9.8 +/-   31.97     -27.4 +/-   31.97  0.040 / 0.040
G31     174.8          46.2               10.4 +/-    0.76      13.7 +/-    0.76  0.030 / 0.040
G32     14.7           64.6                6.2 +/-    0.60       6.8 +/-    0.60  0.140 / 0.300