PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-01:12:50
G08     271.5          20.4                9.4 +/-    2.06      20.6 +/-    2.06  0.100 / 0.340
G10     48.0           61.1               10.0 +/-    0.71      11.3 +/-    0.71  0.090 / 0.300
G11     314.1          14.7                7.7 +/-    2.50      19.2 +/-    2.50  0.030 / 0.030
G14     256.7          63.9                9.9 +/-    1.08      10.9 +/-    1.08  0.040 / 0.020
G18     85.6           40.4                9.9 +/-    0.64      14.4 +/-    0.64  0.080 / 0.190
G21     152.8          19.9               12.0 +/-    3.92      26.6 +/-    3.92  0.150 / 0.200
G24     43.1           15.6                8.2 +/-    0.97      20.2 +/-    0.97  0.030 / 0.030
G27     234.9          19.4               14.7 +/-    1.28      32.8 +/-    1.28  0.030 / 0.030
G31     180.8          22.7               13.8 +/-    2.95      28.4 +/-    2.95  0.110 / 0.260
G32     303.7          75.1               11.4 +/-    0.61      11.8 +/-    0.61  0.090 / 0.270