PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-22:27:40
G08     297.6          22.8               10.5 +/-    1.13      21.7 +/-    1.13  0.050 / 0.090
G10     353.5          62.4                9.7 +/-    0.75      10.8 +/-    0.75  0.050 / 0.080
G14     225.7          42.8               15.6 +/-    0.99      21.7 +/-    0.99  0.040 / 0.080
G18     56.6           53.7               10.9 +/-    0.56      13.1 +/-    0.56  0.050 / 0.090
G21     142.7          43.4               14.7 +/-    1.22      20.3 +/-    1.22  0.080 / 0.100
G24     62.7           28.6                9.8 +/-    0.63      17.7 +/-    0.63  0.100 / 0.120
G27     258.7          34.0               14.5 +/-    1.34      23.5 +/-    1.34  0.030 / 0.050
G32     235.7          59.7               14.0 +/-    0.64      16.0 +/-    0.64  0.050 / 0.040