PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/20-00:12:50
G01     308.6          33.5                9.4 +/-    1.56      15.3 +/-    1.56  0.070 / 0.190
G10     103.5          40.0                9.0 +/-    0.63      13.1 +/-    0.63  0.060 / 0.150
G11     286.4          26.6                9.9 +/-    0.79      18.7 +/-    0.79  0.090 / 0.130
G14     343.1          68.8                8.7 +/-    0.79       9.3 +/-    0.79  0.060 / 0.110
G18     280.8          49.9                8.5 +/-    0.99      10.8 +/-    0.99  0.040 / 0.060
G20     119.3          14.9                9.0 +/-    0.91      22.5 +/-    0.91  0.030 / 0.040
G22     308.8          22.2                6.6 +/-    0.91      13.8 +/-    0.91  0.060 / 0.180
G25     86.0           15.4                6.6 +/-    1.40      16.2 +/-    1.40  0.080 / 0.190
G31     165.7          62.9               10.6 +/-    1.03      11.8 +/-    1.03  0.050 / 0.080
G32     33.6           54.1                7.6 +/-    0.47       9.1 +/-    0.47  0.040 / 0.060