PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-00:43:10
G10     273.8          41.3                9.9 +/-    0.77      14.1 +/-    0.77  0.170 / 0.350
G13     39.9           14.7                8.3 +/-    1.82      20.9 +/-    1.82  0.360 / 0.360
G15     54.4           45.4                7.4 +/-    0.76      10.0 +/-    0.76  0.040 / 0.030
G18     313.1          65.6                9.7 +/-    0.91      10.5 +/-    0.91  0.030 / 0.030
G20     59.6           28.9                8.5 +/-    1.63      15.2 +/-    1.63  0.140 / 0.210
G21     22.9           75.5               11.1 +/-    0.49      11.4 +/-    0.49  0.190 / 0.180
G24     116.1          17.6               11.1 +/-    1.43      26.0 +/-    1.43  0.090 / 0.070
G27     314.1          25.1                8.0 +/-    2.28      15.6 +/-    2.28  0.070 / 0.050
G29     167.6          22.1               10.2 +/-    1.49      21.3 +/-    1.49  0.070 / 0.130
G32     205.9          14.0               12.4 +/-    3.18      31.6 +/-    3.18  0.080 / 0.110