PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-01:57:30
G02     41.7           47.9               10.0 +/-    0.40      13.0 +/-    0.40  0.040 / 0.050
G05     114.7          67.9               11.9 +/-    0.82      12.7 +/-    0.82  0.030 / 0.050
G12     191.4          57.9               14.0 +/-    1.78      16.3 +/-    1.78  0.050 / 0.040
G25     282.9          57.1               11.4 +/-    0.80      13.3 +/-    0.80  0.050 / 0.040
G29     313.0          33.9                9.9 +/-    1.15      16.0 +/-    1.15  0.050 / 0.070