PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-20:57:40
G01     318.7          20.1               12.3 +/-    1.36      27.1 +/-    1.36  0.040 / 0.060
G08     258.3          13.5               15.0 +/-    1.37      38.6 +/-    1.37  0.040 / 0.050
G10     81.0           51.3               12.3 +/-    0.58      15.3 +/-    0.58  0.210 / 0.320
G11     305.3          20.9               12.5 +/-    3.60      26.9 +/-    3.60  0.180 / 0.290
G14     286.0          68.4               11.9 +/-    0.73      12.7 +/-    0.73  0.220 / 0.360
G20     106.4          27.0               12.9 +/-    1.31      24.2 +/-    1.31  0.200 / 0.330
G31     175.1          42.4               15.8 +/-    1.08      22.1 +/-    1.08  0.040 / 0.040
G32     10.3           66.9               10.1 +/-    0.65      10.9 +/-    0.65  0.040 / 0.050