PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-21:42:30
G01     221.4          14.5               13.5 +/-    4.55      34.0 +/-    4.55  0.050 / 0.040
G03     282.7          68.5                8.6 +/-    0.68       9.1 +/-    0.68  0.040 / 0.040
G09     297.1          13.6               10.8 +/-    1.32      27.8 +/-    1.32  0.140 / 0.220
G14     86.7           26.1               10.7 +/-    1.62      20.3 +/-    1.62  0.130 / 0.230
G16     140.8          48.0               12.7 +/-    1.16      16.4 +/-    1.16  0.040 / 0.090
G22     213.8          68.1               11.0 +/-    0.85      11.7 +/-    0.85  0.040 / 0.080
G23     309.3          39.2                8.9 +/-    0.69      13.1 +/-    0.69  0.270 / 0.500
G26     92.1           54.4                9.4 +/-    0.61      11.2 +/-    0.61  0.220 / 0.430
G31     46.6           29.8                6.9 +/-    1.08      12.0 +/-    1.08  0.040 / 0.040