PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-00:27:50
G02     202.5          34.1               11.2 +/-    1.10      18.1 +/-    1.10  0.080 / 0.090
G06     169.7          64.5               10.9 +/-    0.37      12.0 +/-    0.37  0.060 / 0.080
G12     305.7          12.0                6.7 +/-    8.11      17.8 +/-    8.11  0.190 / 0.280
G17     36.1           48.8                8.5 +/-    1.46      10.9 +/-    1.46  0.310 / 0.280
G19     357.7          66.1                8.5 +/-    0.93       9.2 +/-    0.93  0.050 / 0.100
G24     297.5          38.7               10.6 +/-    2.81      15.8 +/-    2.81  0.050 / 0.090
G28     99.0           35.3               10.5 +/-    0.83      16.6 +/-    0.83  0.040 / 0.040