PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-16:42:30
G10     248.9          27.2               12.3 +/-    1.60      22.8 +/-    1.60  0.320 / 0.470
G13     54.7           29.6               10.4 +/-    1.26      18.3 +/-    1.26  0.340 / 0.580
G15     87.3           57.0               10.4 +/-    1.14      12.1 +/-    1.14  0.030 / 0.040
G16     296.9          16.0                6.0 +/-    9.31      14.5 +/-    9.31  0.040 / 0.050
G20     269.4          51.5               10.9 +/-    3.47      13.5 +/-    3.47  0.040 / 0.050
G21     331.9          58.4                9.1 +/-    0.71      10.5 +/-    0.71  0.040 / 0.040
G26     270.0          16.2                8.0 +/-    2.73      19.3 +/-    2.73  0.060 / 0.120
G29     163.2          53.4               11.5 +/-    0.64      14.0 +/-    0.64  0.100 / 0.110