PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-23:57:50
G01     315.7          25.7                7.8 +/-    1.41      15.1 +/-    1.41  0.150 / 0.170
G10     91.1           47.0               10.0 +/-    0.95      13.1 +/-    0.95  0.120 / 0.160
G11     297.5          24.5                8.2 +/-    1.91      16.2 +/-    1.91  0.050 / 0.050
G14     312.3          70.6                8.0 +/-    0.59       8.4 +/-    0.59  0.050 / 0.060
G18     296.4          45.8                8.6 +/-    3.16      11.4 +/-    3.16  0.110 / 0.110
G20     111.9          22.7                9.9 +/-    1.19      20.4 +/-    1.19  0.080 / 0.070
G22     304.4          14.2                7.9 +/-    0.91      20.1 +/-    0.91  0.030 / 0.020
G25     95.9           11.3                0.3 +/-   31.29       0.9 +/-   31.29  0.030 / 0.030
G31     172.0          51.2               10.4 +/-    0.44      12.9 +/-    0.44  0.120 / 0.240
G32     20.6           62.0                7.5 +/-    0.71       8.4 +/-    0.71  0.150 / 0.320