PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-01:12:40
G01     318.2          19.4               10.8 +/-    2.11      24.0 +/-    2.11  0.130 / 0.410
G08     254.4          12.2               15.3 +/-    1.40      40.7 +/-    1.40  0.130 / 0.470
G10     81.6           53.1               11.9 +/-    0.79      14.5 +/-    0.79  0.150 / 0.250
G11     300.4          25.1               12.8 +/-    1.70      24.9 +/-    1.70  0.150 / 0.270
G14     307.2          71.5               10.5 +/-    0.66      11.0 +/-    0.66  0.030 / 0.070
G18     103.2          28.0               11.9 +/-    0.99      21.7 +/-    0.99  0.020 / 0.030
G22     301.1          11.2                2.9 +/-   13.51       8.0 +/-   13.51  0.070 / 0.060
G31     178.0          41.8               16.1 +/-    0.83      22.7 +/-    0.83  0.070 / 0.050
G32     3.2            68.0               10.8 +/-    0.70      11.5 +/-    0.70  0.060 / 0.060