PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-01:58:10
G02     14.4           68.8                7.9 +/-    0.68       8.4 +/-    0.68  0.060 / 0.100
G05     156.8          45.7               10.5 +/-    1.37      14.0 +/-    1.37  0.060 / 0.090
G06     44.0           33.2                5.8 +/-    1.25       9.5 +/-    1.25  0.340 / 0.510
G12     281.7          77.8                7.9 +/-    0.86       8.1 +/-    0.86  0.320 / 0.330
G19     85.0           20.1                7.4 +/-    1.10      16.4 +/-    1.10  0.030 / 0.030
G24     218.8          14.3               11.8 +/-    1.44      29.8 +/-    1.44  0.020 / 0.020
G25     313.1          40.4                7.5 +/-    1.07      10.9 +/-    1.07  0.080 / 0.150
G29     296.4          19.9                7.6 +/-    1.68      16.7 +/-    1.68  0.080 / 0.170