PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-22:42:30
G02     33.6           54.5               12.6 +/-    0.57      15.1 +/-    0.57  0.040 / 0.070
G05     135.5          63.1               16.3 +/-    0.62      18.1 +/-    0.62  0.040 / 0.060
G06     53.5           15.9                9.9 +/-    1.96      24.1 +/-    1.96  0.050 / 0.060
G12     202.6          68.9               13.1 +/-    0.73      13.9 +/-    0.73  0.050 / 0.050
G25     296.0          53.7               12.9 +/-    1.19      15.6 +/-    1.19  0.030 / 0.040
G29     308.8          30.4               12.6 +/-    1.36      21.8 +/-    1.36  0.020 / 0.040