PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/19-00:12:40
G10     266.5          39.1               10.4 +/-    1.06      15.3 +/-    1.06  0.050 / 0.040
G13     41.9           17.9                8.2 +/-    3.73      19.0 +/-    3.73  0.050 / 0.050
G15     59.6           49.0                9.7 +/-    1.43      12.4 +/-    1.43  0.390 / 0.400
G16     280.5          12.7                8.5 +/-    1.30      22.2 +/-    1.30  0.120 / 0.250
G20     295.7          59.5                9.5 +/-    0.78      10.8 +/-    0.78  0.200 / 0.190
G21     359.7          70.8                9.8 +/-    0.68      10.3 +/-    0.68  0.120 / 0.160
G24     121.9          13.7               10.3 +/-    1.32      26.5 +/-    1.32  0.030 / 0.040
G27     319.5          17.5                9.2 +/-    2.09      21.5 +/-    2.09  0.040 / 0.050
G29     166.6          31.5               10.5 +/-    1.14      17.9 +/-    1.14  0.080 / 0.070