PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/25-01:12:30
G10     252.0          26.9               10.7 +/-    1.63      20.0 +/-    1.63  0.150 / 0.420
G13     52.9           30.2                9.0 +/-    2.03      15.6 +/-    2.03  0.270 / 0.300
G15     87.6           58.5               12.0 +/-    0.58      13.9 +/-    0.58  0.130 / 0.150
G16     295.4          14.6                7.6 +/-    2.26      19.0 +/-    2.26  0.160 / 0.110
G18     270.2          55.7                9.4 +/-    1.66      11.1 +/-    1.66  0.150 / 0.240
G20     44.9           45.6                8.6 +/-    0.93      11.4 +/-    0.93  0.210 / 0.300
G26     267.7          14.9               11.2 +/-    1.21      28.0 +/-    1.21  0.070 / 0.070
G29     164.7          46.1               12.2 +/-    0.82      16.2 +/-    0.82  0.140 / 0.090