PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/30-00:13:10
G05     49.8           16.7                6.6 +/-    1.31      15.7 +/-    1.31  0.140 / 0.340
G10     238.9          14.4               14.4 +/-    1.11      36.3 +/-    1.11  0.150 / 0.350
G13     72.1           37.0               10.2 +/-    0.82      15.6 +/-    0.82  0.060 / 0.060
G15     122.0          54.2               11.8 +/-    0.64      14.2 +/-    0.64  0.050 / 0.050
G16     312.0          12.7                8.6 +/-    2.96      22.5 +/-    2.96  0.110 / 0.170
G18     248.9          43.9               11.3 +/-    2.49      15.5 +/-    2.49  0.100 / 0.170
G20     32.9           61.2                8.9 +/-    0.89      10.0 +/-    0.89  0.130 / 0.300
G21     316.4          49.6                7.9 +/-    0.94       9.9 +/-    0.94  0.100 / 0.240
G26     285.0          19.6                9.7 +/-    1.02      21.6 +/-    1.02  0.030 / 0.030
G29     157.9          65.5               10.6 +/-    0.71      11.6 +/-    0.71  0.020 / 0.030