PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-00:12:30
G02     16.7           67.4                7.8 +/-    0.50       8.4 +/-    0.50  0.050 / 0.100
G05     155.3          47.8               14.3 +/-    1.21      18.6 +/-    1.21  0.050 / 0.080
G06     45.2           30.2                7.4 +/-    0.50      12.9 +/-    0.50  0.040 / 0.050
G12     270.5          78.6               10.5 +/-    0.64      10.7 +/-    0.64  0.030 / 0.040
G19     86.9           18.5               11.1 +/-    0.70      25.4 +/-    0.70  0.120 / 0.440
G24     217.9          13.1               17.6 +/-    2.85      45.9 +/-    2.85  0.120 / 0.560
G25     312.2          41.5               10.1 +/-    1.87      14.4 +/-    1.87  0.030 / 0.030
G29     297.3          20.1               10.9 +/-    1.42      23.9 +/-    1.42  0.030 / 0.030