PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-21:42:50
G10     270.1          40.2               11.9 +/-    1.15      17.2 +/-    1.15  0.140 / 0.320
G13     40.6           15.9                7.7 +/-    2.27      18.8 +/-    2.27  0.260 / 0.230
G15     60.3           51.8               10.2 +/-    0.75      12.6 +/-    0.75  0.170 / 0.530
G16     275.7          11.2                9.4 +/-   10.68      25.6 +/-   10.68  0.190 / 0.370
G20     303.0          61.5               10.2 +/-    0.84      11.4 +/-    0.84  0.200 / 0.230
G21     9.9            73.4               10.9 +/-    0.69      11.3 +/-    0.69  0.170 / 0.280
G24     115.7          16.1               12.2 +/-    1.50      29.7 +/-    1.50  0.040 / 0.040
G27     317.8          20.2                8.0 +/-    2.59      17.5 +/-    2.59  0.050 / 0.050
G29     168.4          28.8               12.4 +/-    1.31      22.2 +/-    1.31  0.180 / 0.490
G32     204.4          12.7               12.9 +/-    2.83      34.0 +/-    2.83  0.220 / 0.350