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               15.4 +/-    1.89      35.6 +/-    1.89  0.130 / 0.330
G10     238.2          13.7               18.7 +/-    1.27      48.0 +/-    1.27  0.080 / 0.320
G13     73.7           37.2               19.1 +/-    1.40      29.2 +/-    1.40  0.120 / 0.230
G15     119.3          53.9               17.8 +/-    0.31      21.4 +/-    0.31  0.120 / 0.230
G16     315.0          11.1               10.1 +/-    9.88      27.5 +/-    9.88  0.030 / 0.050
G18     248.6          44.8               16.7 +/-    2.14      22.6 +/-    2.14  0.040 / 0.060
G20     30.3           63.6               15.3 +/-    1.04      16.9 +/-    1.04  0.040 / 0.030
G21     317.2          50.4               15.6 +/-    1.05      19.6 +/-    1.05  0.050 / 0.040
G26     288.6          18.9               11.1 +/-    1.07      25.2 +/-    1.07  0.150 / 0.140
G29     155.2          63.9               20.6 +/-    0.39      22.7 +/-    0.39  0.100 / 0.150