PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/06-19:43:00
G02     354.6          75.4               12.8 +/-    0.44      13.2 +/-    0.44  0.030 / 0.040
G05     164.8          38.2               16.4 +/-    0.90      24.5 +/-    0.90  0.040 / 0.030
G06     44.2           33.4               10.3 +/-    0.53      16.8 +/-    0.53  0.140 / 0.320
G12     287.5          78.5               13.4 +/-    0.74      13.7 +/-    0.74  0.180 / 0.300
G19     83.1           21.1               12.5 +/-    1.47      26.7 +/-    1.47  0.030 / 0.020
G24     224.4          18.2               19.1 +/-    2.01      43.9 +/-    2.01  0.030 / 0.030
G25     314.2          40.7               13.9 +/-    1.70      20.0 +/-    1.70  0.050 / 0.080
G29     292.5          14.8               13.2 +/-    1.99      33.1 +/-    1.99  0.070 / 0.070