PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-17:57:30
G01     318.6          20.6                7.6 +/-    1.58      16.4 +/-    1.58  0.040 / 0.050
G08     256.6          13.5                9.1 +/-    1.44      23.6 +/-    1.44  0.040 / 0.050
G10     81.2           51.1                8.8 +/-    0.58      10.9 +/-    0.58  0.210 / 0.310
G11     306.3          19.9                8.7 +/-    2.83      19.1 +/-    2.83  0.170 / 0.240
G14     285.5          68.2                7.8 +/-    1.17       8.3 +/-    1.17  0.200 / 0.260
G20     106.9          25.8               10.6 +/-    0.84      20.3 +/-    0.84  0.200 / 0.260
G31     176.2          41.4               10.6 +/-    0.65      15.1 +/-    0.65  0.040 / 0.070
G32     11.7           66.5                5.8 +/-    0.51       6.2 +/-    0.51  0.040 / 0.060