PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-00:12:40
G10     249.4          24.8               15.1 +/-    1.71      29.6 +/-    1.71  0.030 / 0.060
G13     55.9           32.0               11.5 +/-    0.91      19.3 +/-    0.91  0.040 / 0.060
G15     92.9           58.5               14.5 +/-    0.42      16.7 +/-    0.42  0.060 / 0.150
G16     298.8          14.6                9.6 +/-    2.52      24.1 +/-    2.52  0.100 / 0.150
G18     266.1          54.2               15.5 +/-    0.92      18.6 +/-    0.92  0.130 / 0.310
G20     42.7           48.5               10.8 +/-    0.57      13.9 +/-    0.57  0.140 / 0.420
G21     331.8          59.4               13.2 +/-    0.84      15.1 +/-    0.84  0.040 / 0.060
G26     271.0          16.0               14.2 +/-    2.21      34.4 +/-    2.21  0.040 / 0.050
G29     163.6          49.0               15.1 +/-    0.56      19.3 +/-    0.56  0.070 / 0.070