PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-00:57:50
G02     40.6           48.5               10.4 +/-    1.40      13.3 +/-    1.40  0.030 / 0.040
G05     117.5          67.6               12.3 +/-    0.46      13.1 +/-    0.46  0.040 / 0.040
G06     57.4           11.7                9.8 +/-    3.13      26.4 +/-    3.13  0.040 / 0.050
G12     195.4          61.2               12.9 +/-    0.48      14.5 +/-    0.48  0.040 / 0.040
G25     282.5          57.6               14.9 +/-    3.16      17.3 +/-    3.16  0.020 / 0.030
G29     314.7          37.1               11.0 +/-    0.79      16.7 +/-    0.79  0.020 / 0.020