PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-19:58:00
G05     49.3           17.8               14.3 +/-    0.91      33.3 +/-    0.91  0.170 / 0.590
G10     238.2          13.7               18.6 +/-    3.59      47.8 +/-    3.59  0.160 / 0.530
G13     73.7           37.2               17.9 +/-    0.59      27.2 +/-    0.59  0.100 / 0.190
G15     119.3          53.9               18.6 +/-    0.88      22.4 +/-    0.88  0.110 / 0.200
G16     315.0          11.1               10.4 +/-    2.32      28.4 +/-    2.32  0.040 / 0.070
G18     248.6          44.8               15.6 +/-    2.01      21.0 +/-    2.01  0.040 / 0.070
G20     30.3           63.6               15.9 +/-    0.60      17.6 +/-    0.60  0.050 / 0.120
G21     317.2          50.4               16.8 +/-    1.07      21.1 +/-    1.07  0.060 / 0.130
G26     288.6          18.9               11.9 +/-    1.61      26.8 +/-    1.61  0.030 / 0.050
G29     155.2          63.9               20.7 +/-    0.79      22.8 +/-    0.79  0.040 / 0.060