PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-18:12:50
G01     315.6          26.2                5.9 +/-    1.62      11.2 +/-    1.62  0.110 / 0.240
G10     90.6           47.0                9.2 +/-    0.98      12.1 +/-    0.98  0.090 / 0.290
G11     300.2          22.7                7.3 +/-    1.13      15.1 +/-    1.13  0.040 / 0.050
G14     305.2          69.9                8.5 +/-    0.52       9.0 +/-    0.52  0.040 / 0.050
G20     112.2          21.0               10.8 +/-    0.84      23.3 +/-    0.84  0.110 / 0.450
G22     304.3          14.3                6.0 +/-    1.64      15.2 +/-    1.64  0.100 / 0.430
G25     95.3           10.9                8.8 +/-    3.80      24.1 +/-    3.80  0.080 / 0.160
G31     174.4          48.9                8.9 +/-    1.07      11.4 +/-    1.07  0.070 / 0.160
G32     22.0           61.4                8.4 +/-    0.68       9.4 +/-    0.68  0.040 / 0.060