PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-02:12:20
G02     44.3           45.2               10.0 +/-    1.51      13.5 +/-    1.51  0.030 / 0.040
G05     104.6          68.8               11.9 +/-    0.44      12.6 +/-    0.44  0.030 / 0.040
G06     59.7           9.4                 8.7 +/-    1.95      24.7 +/-    1.95  0.040 / 0.160
G12     192.8          56.5               14.4 +/-    0.40      16.9 +/-    0.40  0.050 / 0.080
G25     273.0          58.8                8.6 +/-    1.64       9.9 +/-    1.64  0.160 / 0.270
G29     318.2          41.2               11.4 +/-    0.97      16.3 +/-    0.97  0.160 / 0.310