PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-22:28:10
G03     205.5          49.8                8.7 +/-    0.58      11.0 +/-    0.58  0.080 / 0.110
G07     264.6          21.5                7.8 +/-    3.71      16.5 +/-    3.71  0.080 / 0.100
G09     316.9          41.7                7.2 +/-    0.76      10.2 +/-    0.76  0.040 / 0.040
G16     70.0           60.1                6.9 +/-    0.57       7.9 +/-    0.57  0.040 / 0.050
G22     187.1          32.4                8.1 +/-    1.02      13.5 +/-    1.02  0.040 / 0.050
G23     339.2          67.8                6.6 +/-    0.69       7.1 +/-    0.69  0.050 / 0.040
G26     47.8           35.6                6.1 +/-    0.84       9.6 +/-    0.84  0.030 / 0.040
G27     126.8          16.6               10.5 +/-    1.64      25.1 +/-    1.64  0.030 / 0.040