PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-23:27:30
G03     316.0          44.8                7.3 +/-    0.83       9.9 +/-    0.83  0.040 / 0.040
G14     59.2           42.7                6.5 +/-    1.09       9.1 +/-    1.09  0.040 / 0.040
G16     159.9          21.1               -2.4 +/-   16.18      -5.0 +/-   16.18  0.060 / 0.080
G22     302.0          66.5                7.9 +/-    0.91       8.5 +/-    0.91  0.040 / 0.070
G23     288.7          21.4                8.8 +/-    1.91      18.7 +/-    1.91  0.130 / 0.420
G26     133.6          40.2                9.7 +/-    0.95      14.1 +/-    0.95  0.110 / 0.360
G31     41.5           55.0                7.3 +/-    0.68       8.7 +/-    0.68  0.040 / 0.050
G32     79.5           20.3                6.7 +/-    1.46      14.5 +/-    1.46  0.040 / 0.060