PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-17:57:40
G01     319.2          19.1                7.5 +/-    2.18      16.9 +/-    2.18  0.040 / 0.050
G08     258.2          14.4                7.6 +/-    2.52      19.3 +/-    2.52  0.040 / 0.040
G10     78.4           52.1                9.1 +/-    1.18      11.2 +/-    1.18  0.110 / 0.380
G11     307.8          19.0                6.1 +/-    1.06      13.8 +/-    1.06  0.130 / 0.460
G14     280.5          67.5                9.2 +/-    0.47       9.9 +/-    0.47  0.050 / 0.070
G20     105.3          27.2                9.0 +/-    1.43      16.7 +/-    1.43  0.060 / 0.080
G31     176.6          39.4               10.3 +/-    1.29      15.1 +/-    1.29  0.040 / 0.030
G32     8.3            67.9                8.4 +/-    0.45       9.0 +/-    0.45  0.040 / 0.040