PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-00:13:00
G01     319.8          15.4               10.4 +/-    1.52      25.7 +/-    1.52  0.140 / 0.400
G08     258.9          14.7               16.7 +/-    1.85      41.9 +/-    1.85  0.140 / 0.340
G10     73.7           55.7               13.3 +/-    0.37      15.7 +/-    0.37  0.040 / 0.030
G11     305.0          22.6               12.6 +/-    1.40      26.1 +/-    1.40  0.030 / 0.030
G14     290.8          70.6               14.8 +/-    0.53      15.6 +/-    0.53  0.050 / 0.060
G18     99.0           31.1               15.0 +/-    0.85      25.7 +/-    0.85  0.060 / 0.080
G27     224.9          10.3               19.0 +/-    6.88      52.8 +/-    6.88  0.280 / 0.410
G31     179.4          35.8               18.7 +/-    2.22      29.3 +/-    2.22  0.240 / 0.450
G32     349.6          71.2               14.0 +/-    0.67      14.7 +/-    0.67  0.030 / 0.050