PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-21:58:10
G01     318.8          19.8                9.7 +/-    2.25      21.4 +/-    2.25  0.040 / 0.060
G08     259.1          13.6               12.3 +/-    1.08      31.7 +/-    1.08  0.050 / 0.060
G10     80.7           51.4               11.5 +/-    0.61      14.3 +/-    0.61  0.150 / 0.300
G11     305.1          21.1               10.9 +/-    2.61      23.3 +/-    2.61  0.150 / 0.270
G14     286.9          68.8               11.7 +/-    0.45      12.5 +/-    0.45  0.180 / 0.270
G20     106.1          27.5               11.9 +/-    1.14      21.9 +/-    1.14  0.200 / 0.310
G31     174.9          42.5                7.4 +/-    0.84      10.3 +/-    0.84  0.050 / 0.060
G32     9.4            67.2               10.1 +/-    0.96      10.9 +/-    0.96  0.050 / 0.060