PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-17:58:00
G01     318.6          20.6                6.5 +/-    2.18      14.1 +/-    2.18  0.040 / 0.050
G08     256.6          13.5                8.9 +/-    3.46      22.8 +/-    3.46  0.040 / 0.050
G10     81.2           51.1                9.4 +/-    0.62      11.6 +/-    0.62  0.050 / 0.040
G11     306.3          19.9                6.6 +/-    1.10      14.6 +/-    1.10  0.040 / 0.030
G14     285.5          68.2                8.6 +/-    0.44       9.2 +/-    0.44  0.120 / 0.410
G20     106.9          25.8               10.2 +/-    1.09      19.5 +/-    1.09  0.140 / 0.330
G31     176.2          41.4               10.8 +/-    0.95      15.4 +/-    0.95  0.060 / 0.070
G32     11.7           66.5                7.8 +/-    0.54       8.4 +/-    0.54  0.070 / 0.060