PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-00:43:00
G10     244.8          23.1               13.5 +/-    1.86      27.5 +/-    1.86  0.070 / 0.100
G13     59.9           32.3                8.5 +/-    1.07      14.3 +/-    1.07  0.110 / 0.130
G15     99.3           57.4               12.6 +/-    1.31      14.6 +/-    1.31  0.060 / 0.060
G16     303.8          14.8                8.1 +/-    2.08      20.1 +/-    2.08  0.050 / 0.050
G20     261.2          45.9               12.9 +/-    3.05      17.1 +/-    3.05  0.090 / 0.390
G21     325.9          55.0               10.2 +/-    0.68      12.2 +/-    0.68  0.090 / 0.370
G26     275.7          17.7               11.6 +/-    2.26      27.0 +/-    2.26  0.080 / 0.120
G29     160.1          56.6               13.2 +/-    0.66      15.4 +/-    0.66  0.050 / 0.130