PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-15:12:30
G02     200.6          14.9               10.0 +/-    3.46      24.9 +/-    3.46  0.090 / 0.280
G06     172.7          49.3               12.0 +/-    1.20      15.3 +/-    1.20  0.080 / 0.270
G13     232.0          15.9               11.0 +/-    1.70      26.9 +/-    1.70  0.070 / 0.170
G17     21.3           60.9               10.4 +/-    0.58      11.7 +/-    0.58  0.100 / 0.180
G19     316.7          72.1               10.5 +/-    0.62      11.0 +/-    0.62  0.140 / 0.170
G24     313.5          25.2               10.3 +/-    1.78      20.0 +/-    1.78  0.110 / 0.170
G28     83.9           41.6                9.1 +/-    0.80      13.0 +/-    0.80  0.020 / 0.040
G30     157.0          20.0                9.4 +/-    2.01      20.8 +/-    2.01  0.030 / 0.040