PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-01:12:40
G08     307.3          20.3                9.4 +/-    1.93      20.6 +/-    1.93  0.060 / 0.090
G10     331.9          59.9                8.6 +/-    0.76       9.8 +/-    0.76  0.050 / 0.080
G14     218.7          33.5               10.4 +/-    0.81      16.9 +/-    0.81  0.040 / 0.050
G15     46.9           11.2                7.3 +/-    1.37      19.8 +/-    1.37  0.050 / 0.090
G18     38.9           59.5                9.2 +/-    0.65      10.5 +/-    0.65  0.050 / 0.060
G21     134.8          55.5               10.9 +/-    0.50      12.9 +/-    0.50  0.030 / 0.060
G24     74.5           30.6               10.3 +/-    0.46      17.8 +/-    0.46  0.070 / 0.080
G27     271.6          37.4                9.8 +/-    0.83      14.9 +/-    0.83  0.070 / 0.080
G32     224.4          51.2               12.5 +/-    1.04      15.5 +/-    1.04  0.070 / 0.150