PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-21:12:30
G01     225.6          18.9               12.7 +/-    2.10      28.7 +/-    2.10  0.030 / 0.040
G03     296.9          64.8                7.0 +/-    0.75       7.6 +/-    0.75  0.030 / 0.040
G14     81.2           29.7                8.8 +/-    0.96      15.5 +/-    0.96  0.110 / 0.230
G16     146.6          42.1               11.7 +/-    0.97      16.4 +/-    0.97  0.110 / 0.300
G22     229.2          72.6               10.8 +/-    0.80      11.3 +/-    0.80  0.080 / 0.180
G23     304.8          34.8               10.4 +/-    1.46      16.5 +/-    1.46  0.080 / 0.180
G26     103.7          53.4                9.2 +/-    0.51      11.2 +/-    0.51  0.050 / 0.090
G31     44.3           35.3                7.8 +/-    0.86      12.4 +/-    0.86  0.040 / 0.080