PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-16:42:30
G02     39.8           50.0               12.8 +/-    0.29      16.1 +/-    0.29  0.050 / 0.060
G05     132.9          66.9               14.5 +/-    0.74      15.7 +/-    0.74  0.040 / 0.050
G06     57.7           12.0               12.0 +/-    2.09      32.1 +/-    2.09  0.050 / 0.050
G12     194.1          60.0               14.2 +/-    0.87      16.2 +/-    0.87  0.040 / 0.060
G20     199.6          33.7               15.4 +/-    1.74      25.0 +/-    1.74  0.050 / 0.040
G25     280.6          58.7               14.8 +/-    1.03      17.0 +/-    1.03  0.040 / 0.040
G29     315.0          37.8               12.0 +/-    0.78      18.1 +/-    0.78  0.110 / 0.210