PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-22:42:50
G08     294.4          23.2               12.0 +/-    1.36      24.5 +/-    1.36  0.050 / 0.100
G10     0.2            62.9               11.1 +/-    0.57      12.3 +/-    0.57  0.050 / 0.080
G14     228.3          45.7               15.5 +/-    1.04      20.7 +/-    1.04  0.030 / 0.030
G18     60.7           52.2               11.3 +/-    0.91      13.9 +/-    0.91  0.040 / 0.040
G21     144.5          40.4               14.4 +/-    0.66      20.9 +/-    0.66  0.030 / 0.030
G24     59.5           27.6               10.5 +/-    0.36      19.4 +/-    0.36  0.030 / 0.040
G27     255.2          32.6               12.2 +/-    0.92      20.2 +/-    0.92  0.100 / 0.100
G32     240.1          62.4               15.0 +/-    0.52      16.7 +/-    0.52  0.080 / 0.100