PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-21:12:40
G01     231.2          24.3               13.5 +/-    2.09      26.8 +/-    2.09  0.040 / 0.030
G03     307.5          58.7                9.8 +/-    1.21      11.3 +/-    1.21  0.050 / 0.030
G14     74.0           34.3                8.6 +/-    1.11      13.8 +/-    1.11  0.310 / 0.300
G16     151.8          35.0               13.9 +/-    1.37      22.0 +/-    1.37  0.260 / 0.210
G22     257.7          74.8               10.8 +/-    0.34      11.1 +/-    0.34  0.060 / 0.120
G23     299.3          29.9               10.4 +/-    2.02      18.2 +/-    2.02  0.080 / 0.130
G26     116.0          50.3               10.9 +/-    0.54      13.7 +/-    0.54  0.090 / 0.140
G31     42.3           41.8                6.2 +/-    0.70       8.8 +/-    0.70  0.060 / 0.110
G32     91.5           10.9               10.8 +/-    2.27      29.6 +/-    2.27  0.050 / 0.030