PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-22:57:30
G02     39.6           49.4               10.2 +/-    1.24      13.0 +/-    1.24  0.040 / 0.060
G05     119.8          67.4               14.1 +/-    0.68      15.1 +/-    0.68  0.040 / 0.050
G06     57.3           11.1               10.1 +/-    2.27      27.4 +/-    2.27  0.050 / 0.050
G12     195.2          61.6               14.6 +/-    1.17      16.3 +/-    1.17  0.060 / 0.060
G25     284.6          57.0               12.7 +/-    4.38      14.8 +/-    4.38  0.030 / 0.040
G29     313.5          35.5               12.3 +/-    2.47      19.3 +/-    2.47  0.030 / 0.040