PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-15:42:40
G02     44.4           46.0                8.3 +/-    1.14      11.0 +/-    1.14  0.040 / 0.040
G05     110.4          71.0                9.5 +/-    0.66      10.0 +/-    0.66  0.030 / 0.040
G12     186.5          48.9               12.2 +/-    0.60      15.6 +/-    0.60  0.030 / 0.040
G25     261.2          59.6               11.1 +/-    1.33      12.7 +/-    1.33  0.030 / 0.040
G29     317.7          39.8                9.0 +/-    0.54      13.1 +/-    0.54  0.030 / 0.030