PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-01:58:00
G02     38.7           50.1                9.5 +/-    1.43      11.9 +/-    1.43  0.020 / 0.030
G05     124.0          66.4               12.5 +/-    0.47      13.5 +/-    0.47  0.030 / 0.030
G06     55.7           14.1                7.9 +/-    1.03      20.0 +/-    1.03  0.050 / 0.060
G12     197.7          64.0               13.5 +/-    0.54      14.9 +/-    0.54  0.050 / 0.040
G25     286.6          57.0               15.1 +/-    3.93      17.7 +/-    3.93  0.130 / 0.260
G29     313.4          35.9               10.9 +/-    1.12      17.0 +/-    1.12  0.150 / 0.240