PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-03:13:10
G08     281.7          22.9                8.9 +/-    0.84      18.3 +/-    0.84  0.030 / 0.030
G10     25.9           63.1                6.2 +/-    1.06       6.9 +/-    1.06  0.030 / 0.030
G14     240.7          56.4               10.4 +/-    2.47      12.2 +/-    2.47  0.030 / 0.030
G18     73.7           47.2                8.1 +/-    0.75      10.6 +/-    0.75  0.030 / 0.020
G21     150.0          30.8                8.6 +/-    1.08      14.8 +/-    1.08  0.060 / 0.090
G24     49.5           22.0                7.8 +/-    2.69      16.4 +/-    2.69  0.060 / 0.110
G27     243.4          26.0               10.7 +/-    3.23      20.5 +/-    3.23  0.150 / 0.240
G31     181.9          14.3               10.0 +/-    1.62      25.4 +/-    1.62  0.190 / 0.210
G32     269.0          72.9                9.7 +/-    0.65      10.1 +/-    0.65  0.090 / 0.090