PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-02:57:40
G10     267.0          39.3               11.1 +/-    1.54      16.3 +/-    1.54  0.280 / 0.160
G13     41.7           17.6                6.9 +/-    3.18      16.0 +/-    3.18  0.110 / 0.150
G15     58.5           48.0                7.2 +/-    0.81       9.4 +/-    0.81  0.100 / 0.080
G16     281.3          12.3                8.0 +/-    1.25      21.3 +/-    1.25  0.090 / 0.080
G20     297.3          60.1                9.2 +/-    1.31      10.5 +/-    1.31  0.040 / 0.040
G21     3.1            71.5               10.0 +/-    0.93      10.5 +/-    0.93  0.040 / 0.040
G24     120.8          14.1                9.8 +/-    2.14      25.0 +/-    2.14  0.170 / 0.400
G27     319.4          17.7                7.3 +/-    2.77      17.1 +/-    2.77  0.160 / 0.460
G29     166.2          29.7               11.7 +/-    1.49      20.6 +/-    1.49  0.220 / 0.270