PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-02:12:30
G10     250.8          28.3               13.6 +/-    2.14      24.6 +/-    2.14  0.040 / 0.060
G13     52.8           28.7                7.4 +/-    0.88      13.3 +/-    0.88  0.040 / 0.050
G15     83.8           56.8               10.4 +/-    0.55      12.2 +/-    0.55  0.080 / 0.120
G16     297.3          15.0                7.3 +/-    4.11      18.1 +/-    4.11  0.070 / 0.120
G20     270.5          51.0               10.1 +/-    1.08      12.6 +/-    1.08  0.120 / 0.420
G21     334.9          60.3                9.6 +/-    0.67      10.9 +/-    0.67  0.130 / 0.340
G26     269.1          15.3               10.5 +/-    2.03      25.9 +/-    2.03  0.050 / 0.140
G29     162.6          47.7               12.5 +/-    2.11      16.2 +/-    2.11  0.060 / 0.170