PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-15:42:50
G02     28.6           58.3                9.0 +/-    0.98      10.4 +/-    0.98  0.060 / 0.050
G05     146.7          59.4               10.9 +/-    0.72      12.5 +/-    0.72  0.110 / 0.070
G06     52.4           16.3                7.9 +/-    1.85      19.1 +/-    1.85  0.030 / 0.030
G12     199.3          70.2                8.5 +/-    0.75       9.0 +/-    0.75  0.060 / 0.040
G25     300.7          51.2                9.9 +/-    2.08      12.3 +/-    2.08  0.110 / 0.250
G29     305.3          25.9                9.2 +/-    1.19      17.7 +/-    1.19  0.140 / 0.210