PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-00:13:00
G05     47.3           22.9                7.3 +/-    0.59      15.0 +/-    0.59  0.170 / 0.480
G13     82.3           37.4               10.9 +/-    1.17      16.7 +/-    1.17  0.170 / 0.400
G15     133.6          48.8               10.0 +/-    1.58      12.8 +/-    1.58  0.060 / 0.110
G16     318.4          10.1               -7.6 +/-    5.25     -21.1 +/-    5.25  0.060 / 0.140
G18     241.6          37.7              -75.2 +/-   24.76    -113.7 +/-   24.76  0.050 / 0.100
G20     26.6           68.7               11.1 +/-    0.70      11.8 +/-    0.70  0.050 / 0.090
G21     309.0          44.5                8.8 +/-    1.17      11.9 +/-    1.17  0.030 / 0.030
G25     197.6          11.2               12.6 +/-    3.59      34.2 +/-    3.59  0.030 / 0.020
G26     292.9          20.1               11.7 +/-    2.43      25.8 +/-    2.43  0.140 / 0.250
G29     151.7          74.6               13.6 +/-    1.11      14.0 +/-    1.11  0.100 / 0.240