PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-02:42:50
G10     302.1          53.3               11.4 +/-    0.99      13.8 +/-    0.99  0.110 / 0.070
G14     211.5          12.3               13.7 +/-   12.16      36.4 +/-   12.16  0.070 / 0.090
G15     46.0           27.3                8.6 +/-    2.23      16.0 +/-    2.23  0.100 / 0.500
G20     330.3          63.0               16.9 +/-    0.79      18.7 +/-    0.79  0.100 / 0.390
G21     104.2          73.0               12.7 +/-    0.93      13.2 +/-    0.93  0.050 / 0.050
G24     92.9           27.4               10.8 +/-    1.38      20.0 +/-    1.38  0.050 / 0.050
G27     297.0          35.4               10.7 +/-    1.10      16.8 +/-    1.10  0.040 / 0.040
G32     211.6          36.9               14.2 +/-    1.49      21.8 +/-    1.49  0.030 / 0.040