PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-19:12:30
G01     320.9          12.0              -13.2 +/-   31.63     -35.3 +/-   31.63  0.040 / 0.040
G08     261.8          16.8               16.5 +/-    0.65      39.2 +/-    0.65  0.050 / 0.040
G10     68.4           56.3               11.6 +/-    0.63      13.7 +/-    0.63  0.190 / 0.290
G14     276.5          68.7               12.3 +/-    0.71      13.1 +/-    0.71  0.130 / 0.260
G20     99.0           34.0               12.0 +/-    1.73      19.4 +/-    1.73  0.170 / 0.170
G27     231.2          14.1               13.5 +/-    3.16      34.3 +/-    3.16  0.220 / 0.220
G31     179.8          31.7               13.4 +/-    1.00      22.7 +/-    1.00  0.200 / 0.340
G32     348.6          72.5               12.4 +/-    0.40      12.9 +/-    0.40  0.080 / 0.190