PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-20:42:40
G01     239.7          31.2               13.3 +/-    1.38      22.7 +/-    1.38  0.040 / 0.040
G03     314.4          49.6               10.3 +/-    1.29      13.1 +/-    1.29  0.050 / 0.040
G14     64.2           40.0                9.8 +/-    0.67      14.3 +/-    0.67  0.080 / 0.220
G16     157.5          25.6               10.5 +/-    1.65      20.1 +/-    1.65  0.080 / 0.180
G22     291.6          70.9               10.7 +/-    0.79      11.3 +/-    0.79  0.070 / 0.140
G23     292.0          23.7                9.8 +/-    1.28      19.7 +/-    1.28  0.070 / 0.130
G26     129.1          43.9               11.0 +/-    0.59      15.1 +/-    0.59  0.050 / 0.110
G31     41.0           51.4                8.2 +/-    1.00      10.1 +/-    1.00  0.050 / 0.110
G32     83.7           16.8                9.1 +/-    2.39      21.6 +/-    2.39  0.040 / 0.060