PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-01:27:20
G02     48.6           41.4               10.1 +/-    0.78      14.4 +/-    0.78  0.030 / 0.040
G05     87.3           68.5               11.4 +/-    0.80      12.2 +/-    0.80  0.040 / 0.040
G12     190.2          50.3               14.2 +/-    0.49      17.8 +/-    0.49  0.050 / 0.050
G25     261.8          58.4               12.4 +/-    1.67      14.3 +/-    1.67  0.040 / 0.050
G29     321.7          45.1               11.3 +/-    0.37      15.2 +/-    0.37  0.030 / 0.030