PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/09-01:42:30
G02     34.4           54.4               10.5 +/-    0.89      12.6 +/-    0.89  0.030 / 0.030
G05     135.3          62.8               11.4 +/-    0.40      12.7 +/-    0.40  0.030 / 0.030
G06     54.1           15.2                8.7 +/-    2.12      21.6 +/-    2.12  0.020 / 0.030
G12     198.3          67.4               11.2 +/-    0.29      12.0 +/-    0.29  0.030 / 0.030
G19     99.9           10.7               10.7 +/-    2.39      29.4 +/-    2.39  0.080 / 0.050
G25     297.4          52.9               10.7 +/-    2.63      13.1 +/-    2.63  0.040 / 0.070
G29     307.2          27.5                8.2 +/-    1.48      15.2 +/-    1.48  0.060 / 0.120