PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/17-01:12:50
G08     267.8          19.0               11.6 +/-    3.16      26.0 +/-    3.16  0.030 / 0.020
G10     55.5           59.9               12.1 +/-    0.85      13.7 +/-    0.85  0.040 / 0.030
G11     311.9          17.2                8.6 +/-    2.75      20.3 +/-    2.75  0.160 / 0.260
G14     264.5          66.3               10.6 +/-    1.12      11.5 +/-    1.12  0.120 / 0.330
G18     89.4           38.0               11.9 +/-    1.27      17.9 +/-    1.27  0.150 / 0.160
G21     153.5          16.2               11.9 +/-    2.28      28.6 +/-    2.28  0.220 / 0.130
G24     41.2           13.0                9.8 +/-    2.94      25.7 +/-    2.94  0.080 / 0.200
G27     232.1          16.9               14.0 +/-    1.83      33.2 +/-    1.83  0.250 / 0.140
G31     180.2          26.4               12.9 +/-    2.01      24.5 +/-    2.01  0.040 / 0.050
G32     318.9          74.8               11.5 +/-    0.58      11.9 +/-    0.58  0.040 / 0.050