PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-00:43:10
G08     287.1          23.4                9.1 +/-    0.55      18.5 +/-    0.55  0.030 / 0.020
G10     14.9           63.3               10.0 +/-    0.54      11.0 +/-    0.54  0.020 / 0.020
G14     234.7          51.9               10.8 +/-    2.32      13.4 +/-    2.32  0.140 / 0.130
G18     68.5           49.2               10.2 +/-    0.69      13.0 +/-    0.69  0.240 / 0.200
G21     147.9          34.8               10.0 +/-    0.80      16.0 +/-    0.80  0.130 / 0.110
G24     53.4           24.7                8.7 +/-    2.83      17.1 +/-    2.83  0.110 / 0.100
G27     248.1          29.0               11.1 +/-    1.37      19.9 +/-    1.37  0.090 / 0.090
G32     253.1          68.4                8.7 +/-    0.64       9.3 +/-    0.64  0.080 / 0.080