PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-22:42:30
G03     234.0          66.9                8.6 +/-    1.06       9.2 +/-    1.06  0.060 / 0.060
G09     306.6          24.8                7.4 +/-    1.52      14.6 +/-    1.52  0.050 / 0.070
G14     100.2          16.3                8.4 +/-    1.77      20.3 +/-    1.77  0.120 / 0.410
G16     116.1          60.2               11.1 +/-    0.76      12.5 +/-    0.76  0.110 / 0.410
G22     195.8          52.7               10.0 +/-    1.61      12.2 +/-    1.61  0.070 / 0.080
G23     321.4          51.3                8.5 +/-    1.46      10.6 +/-    1.46  0.070 / 0.090
G26     64.9           49.8                6.8 +/-    0.67       8.6 +/-    0.67  0.050 / 0.050
G31     54.0           17.1                4.6 +/-    0.96      11.0 +/-    0.96  0.040 / 0.050