PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-00:12:00
G02     44.1           45.8               10.9 +/-    0.56      14.5 +/-    0.56  0.040 / 0.060
G05     104.2          68.9               13.6 +/-    0.37      14.5 +/-    0.37  0.040 / 0.070
G12     188.3          52.7               16.7 +/-    1.38      20.4 +/-    1.38  0.030 / 0.040
G25     274.5          58.1               15.4 +/-    1.31      17.8 +/-    1.31  0.030 / 0.040
G29     315.3          36.7               14.2 +/-    1.30      21.8 +/-    1.30  0.050 / 0.050