PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-17:57:40
G02     28.7           58.7                8.7 +/-    0.90      10.0 +/-    0.90  0.030 / 0.030
G05     142.6          61.0               11.2 +/-    0.48      12.7 +/-    0.48  0.030 / 0.040
G06     53.9           14.5                6.4 +/-    2.36      16.0 +/-    2.36  0.040 / 0.050
G12     189.2          65.3                7.9 +/-    0.43       8.6 +/-    0.43  0.070 / 0.050
G19     97.9           13.5                8.9 +/-    1.37      22.9 +/-    1.37  0.020 / 0.030
G25     297.4          53.8                9.1 +/-    1.70      11.0 +/-    1.70  0.030 / 0.030
G29     305.8          25.9                8.0 +/-    1.19      15.3 +/-    1.19  0.290 / 0.240