PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-18:13:00
G01     315.6          26.2                7.7 +/-    1.34      14.7 +/-    1.34  0.120 / 0.270
G10     90.6           47.0               11.1 +/-    0.60      14.5 +/-    0.60  0.120 / 0.220
G11     300.2          22.7                8.0 +/-    1.37      16.4 +/-    1.37  0.040 / 0.040
G14     305.2          69.9                8.6 +/-    0.64       9.1 +/-    0.64  0.040 / 0.040
G20     112.2          21.0               10.4 +/-    1.35      22.2 +/-    1.35  0.040 / 0.040
G22     304.3          14.3                7.4 +/-    1.83      18.7 +/-    1.83  0.040 / 0.040
G25     95.3           10.9               12.8 +/-    1.21      34.9 +/-    1.21  0.160 / 0.250
G31     174.4          48.9               10.7 +/-    0.77      13.7 +/-    0.77  0.140 / 0.250
G32     22.0           61.4                9.1 +/-    0.70      10.2 +/-    0.70  0.030 / 0.060