PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/04-00:57:40
G01     313.5          27.1               10.6 +/-    1.45      19.8 +/-    1.45  0.080 / 0.150
G10     95.4           47.0               10.4 +/-    0.71      13.6 +/-    0.71  0.080 / 0.170
G11     290.5          28.1                8.9 +/-    1.77      16.1 +/-    1.77  0.100 / 0.130
G14     338.2          70.1               10.8 +/-    0.69      11.4 +/-    0.69  0.110 / 0.160
G18     111.0          20.8               10.2 +/-    1.10      22.0 +/-    1.10  0.030 / 0.030
G22     305.8          18.2               10.1 +/-    1.36      23.1 +/-    1.36  0.030 / 0.030
G25     88.4           13.4                9.4 +/-    2.41      24.3 +/-    2.41  0.110 / 0.230
G31     176.2          52.4               12.1 +/-    0.74      14.8 +/-    0.74  0.100 / 0.230
G32     20.0           61.5                8.3 +/-    0.61       9.3 +/-    0.61  0.040 / 0.050