PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-19:42:30
G05     52.3           10.2                7.9 +/-    2.83      22.0 +/-    2.83  0.040 / 0.060
G10     243.0          21.7               15.6 +/-    0.68      33.0 +/-    0.68  0.040 / 0.070
G13     62.3           33.0               10.0 +/-    0.67      16.4 +/-    0.67  0.060 / 0.130
G15     108.0          57.4               12.5 +/-    0.55      14.6 +/-    0.55  0.060 / 0.140
G16     304.5          15.3                7.6 +/-    4.96      18.8 +/-    4.96  0.030 / 0.040
G20     259.2          45.3               12.8 +/-    1.97      17.1 +/-    1.97  0.030 / 0.040
G21     323.0          52.9               12.6 +/-    1.20      15.3 +/-    1.20  0.120 / 0.850
G26     277.2          18.5               12.1 +/-    1.51      27.6 +/-    1.51  0.130 / 0.720
G29     160.0          61.3               15.0 +/-    0.89      16.8 +/-    0.89  0.100 / 0.150