PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-21:12:50
G01     320.8          13.3              -10.5 +/-   37.44     -27.1 +/-   37.44  0.260 / 0.360
G08     265.9          17.2               12.8 +/-    1.00      30.2 +/-    1.00  0.130 / 0.200
G10     68.4           55.4               10.6 +/-    0.85      12.6 +/-    0.85  0.040 / 0.050
G11     311.4          16.8               10.4 +/-    2.37      24.7 +/-    2.37  0.040 / 0.040
G14     267.0          64.8               12.7 +/-    0.98      13.9 +/-    0.98  0.110 / 0.320
G20     99.3           32.8               11.0 +/-    1.07      18.2 +/-    1.07  0.110 / 0.400
G21     155.7          13.2               16.2 +/-    3.20      42.1 +/-    3.20  0.140 / 0.300
G27     229.6          14.4               15.2 +/-    1.12      38.2 +/-    1.12  0.110 / 0.330
G31     176.9          33.9               14.1 +/-    1.45      22.9 +/-    1.45  0.150 / 0.210
G32     351.9          72.5               11.0 +/-    0.60      11.5 +/-    0.60  0.150 / 0.210