PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-02:57:40
G08     302.5          20.9                7.5 +/-    1.14      16.2 +/-    1.14  0.070 / 0.090
G10     356.5          62.4               10.6 +/-    0.98      11.8 +/-    0.98  0.070 / 0.100
G14     224.0          40.0               11.4 +/-    1.36      16.6 +/-    1.36  0.040 / 0.030
G20     55.2           55.9               10.4 +/-    0.87      12.3 +/-    0.87  0.030 / 0.030
G21     143.0          47.5               12.1 +/-    1.10      15.7 +/-    1.10  0.050 / 0.050
G24     62.9           28.2                6.7 +/-    1.41      12.2 +/-    1.41  0.050 / 0.060
G27     262.7          34.9               11.1 +/-    1.37      17.7 +/-    1.37  0.120 / 0.110
G32     233.6          60.5               10.7 +/-    1.52      12.1 +/-    1.52  0.100 / 0.110