PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-00:13:00
G08     305.1          21.1               12.6 +/-    1.24      26.9 +/-    1.24  0.030 / 0.030
G10     336.8          60.6               10.1 +/-    0.52      11.4 +/-    0.52  0.040 / 0.030
G14     220.2          35.7               14.7 +/-    2.61      23.0 +/-    2.61  0.050 / 0.050
G18     43.6           58.1               12.4 +/-    0.64      14.3 +/-    0.64  0.050 / 0.060
G21     137.0          52.5               13.8 +/-    0.62      16.8 +/-    0.62  0.080 / 0.070
G24     71.6           30.4               13.0 +/-    1.28      22.6 +/-    1.28  0.070 / 0.070
G27     268.4          36.9               11.9 +/-    1.85      18.3 +/-    1.85  0.060 / 0.080
G32     226.7          52.9               12.9 +/-    2.61      15.7 +/-    2.61  0.090 / 0.080