PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-20:57:40
G01     236.9          29.1               12.8 +/-    0.91      22.8 +/-    0.91  0.040 / 0.050
G03     312.9          52.5               10.2 +/-    1.52      12.5 +/-    1.52  0.040 / 0.040
G14     67.3           38.3                8.2 +/-    0.86      12.3 +/-    0.86  0.070 / 0.120
G16     155.8          28.5               15.2 +/-    1.18      27.4 +/-    1.18  0.070 / 0.110
G22     283.2          72.8               11.4 +/-    0.96      11.9 +/-    0.96  0.070 / 0.220
G23     294.3          25.6               11.0 +/-    1.04      21.2 +/-    1.04  0.070 / 0.170
G26     125.4          46.1               14.4 +/-    0.85      19.1 +/-    0.85  0.090 / 0.130
G31     41.2           48.3                8.1 +/-    0.45      10.5 +/-    0.45  0.080 / 0.140
G32     86.2           15.0               10.3 +/-    2.03      25.6 +/-    2.03  0.050 / 0.050