PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-00:42:40
G08     287.6          23.5                9.2 +/-    1.71      18.6 +/-    1.71  0.060 / 0.120
G10     13.9           63.3                9.0 +/-    0.73      10.0 +/-    0.73  0.050 / 0.100
G14     234.3          51.5               10.0 +/-    1.33      12.4 +/-    1.33  0.040 / 0.080
G18     68.0           49.4               10.4 +/-    1.28      13.2 +/-    1.28  0.030 / 0.040
G21     147.7          35.2               11.0 +/-    1.39      17.4 +/-    1.39  0.040 / 0.120
G24     53.8           24.9                9.6 +/-    0.71      18.8 +/-    0.71  0.040 / 0.120
G27     248.6          29.2               10.1 +/-    1.44      18.0 +/-    1.44  0.100 / 0.100
G32     252.1          68.1                8.5 +/-    0.69       9.0 +/-    0.69  0.100 / 0.140