PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-00:27:30
G02     200.1          22.9                9.0 +/-    2.52      18.6 +/-    2.52  0.120 / 0.120
G06     175.2          51.6                9.6 +/-    1.21      11.9 +/-    1.21  0.080 / 0.110
G13     225.3          12.3                7.6 +/-    6.34      20.2 +/-    6.34  0.230 / 0.360
G17     25.7           57.3                8.8 +/-    1.10      10.3 +/-    1.10  0.130 / 0.530
G19     326.4          70.8                8.2 +/-    0.89       8.6 +/-    0.89  0.050 / 0.080
G24     307.7          32.2                7.9 +/-    1.39      13.2 +/-    1.39  0.060 / 0.080
G28     86.9           41.9                8.0 +/-    0.97      11.2 +/-    0.97  0.150 / 0.220
G30     157.1          12.8               10.0 +/-    1.31      26.4 +/-    1.31  0.140 / 0.240