PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-03:42:30
G01     219.9          12.2                3.7 +/-    1.61       9.9 +/-    1.61  0.160 / 0.220
G03     270.4          70.0                4.0 +/-    0.75       4.3 +/-    0.75  0.210 / 0.300
G09     298.0          12.4               -0.3 +/-   15.96      -0.8 +/-   15.96  0.100 / 0.170
G14     90.9           22.2                3.0 +/-    1.47       6.2 +/-    1.47  0.100 / 0.190
G16     137.4          51.2                5.6 +/-    0.42       6.9 +/-    0.42  0.430 / 0.410
G22     208.5          65.2                4.4 +/-    1.03       4.8 +/-    1.03  0.360 / 0.200
G23     313.6          43.9              -15.5 +/-    1.04     -21.2 +/-    1.04  0.040 / 0.060
G26     84.2           54.0                4.5 +/-    0.69       5.4 +/-    0.69  0.040 / 0.070
G31     48.6           25.2                2.9 +/-    2.52       5.7 +/-    2.52  0.040 / 0.040