PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-03:12:30
G08     288.1          23.5                9.5 +/-    0.77      19.2 +/-    0.77  0.030 / 0.030
G10     12.3           63.3                9.5 +/-    0.50      10.5 +/-    0.50  0.030 / 0.030
G14     233.7          51.2               11.8 +/-    2.31      14.6 +/-    2.31  0.020 / 0.020
G18     66.1           50.6                8.3 +/-    1.11      10.3 +/-    1.11  0.020 / 0.020
G21     147.6          36.9                9.8 +/-    1.41      15.0 +/-    1.41  0.050 / 0.070
G24     54.3           25.2                7.7 +/-    3.52      15.0 +/-    3.52  0.050 / 0.070
G27     249.2          29.6               10.7 +/-    1.47      18.9 +/-    1.47  0.170 / 0.150
G32     252.4          69.1                8.5 +/-    0.36       9.1 +/-    0.36  0.140 / 0.150