PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-02:27:30
G02     61.3           30.7                9.4 +/-    0.52      16.3 +/-    0.52  0.120 / 0.260
G05     54.9           58.3                9.4 +/-    0.73      10.9 +/-    0.73  0.100 / 0.240
G12     185.9          33.1               10.1 +/-    1.62      16.6 +/-    1.62  0.050 / 0.070
G13     125.8          16.1               11.5 +/-    3.18      27.9 +/-    3.18  0.040 / 0.070
G15     161.8          14.3                9.2 +/-    2.10      23.3 +/-    2.10  0.090 / 0.100
G21     273.5          19.4               10.4 +/-    1.10      23.3 +/-    1.10  0.050 / 0.100
G25     233.2          50.7               10.2 +/-    0.86      12.8 +/-    0.86  0.030 / 0.040
G29     333.7          59.7               11.0 +/-    0.93      12.5 +/-    0.93  0.030 / 0.050