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                7.4 +/-    1.13      12.0 +/-    1.13  0.090 / 0.120
G10     103.5          40.0                8.4 +/-    0.69      12.2 +/-    0.69  0.060 / 0.090
G11     286.4          26.6               11.0 +/-    1.36      20.7 +/-    1.36  0.040 / 0.040
G14     343.1          68.8                7.4 +/-    0.43       7.9 +/-    0.43  0.030 / 0.040
G18     280.8          49.9                9.9 +/-    1.72      12.5 +/-    1.72  0.040 / 0.060
G20     119.3          14.9                9.0 +/-    1.73      22.4 +/-    1.73  0.050 / 0.070
G22     308.8          22.2                7.1 +/-    2.12      14.8 +/-    2.12  0.040 / 0.040
G25     86.0           15.4                7.7 +/-    3.29      18.9 +/-    3.29  0.050 / 0.040
G31     165.7          62.9                9.2 +/-    0.41      10.2 +/-    0.41  0.080 / 0.190
G32     33.6           54.1                7.3 +/-    1.36       8.7 +/-    1.36  0.140 / 0.170