PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-15:42:50
G01     114.2          20.4               10.9 +/-    0.98      23.7 +/-    0.98  0.030 / 0.050
G07     97.3           59.1               12.1 +/-    0.37      13.9 +/-    0.37  0.040 / 0.050
G08     43.6           28.4                8.4 +/-    0.40      15.2 +/-    0.40  0.040 / 0.070
G09     177.0          22.8               10.5 +/-    1.82      21.6 +/-    1.82  0.040 / 0.050
G11     99.6           42.2               11.9 +/-    0.71      16.7 +/-    0.71  0.070 / 0.080
G13     314.8          23.9               10.1 +/-    2.06      20.3 +/-    2.06  0.060 / 0.070
G17     202.6          28.0               12.6 +/-    1.53      22.9 +/-    1.53  0.070 / 0.150
G18     87.8           22.3                8.5 +/-    1.37      17.6 +/-    1.37  0.070 / 0.140
G28     292.6          55.8               10.9 +/-    1.10      12.9 +/-    1.10  0.070 / 0.240
G30     7.7            74.5               10.8 +/-    0.63      11.2 +/-    0.63  0.070 / 0.250