PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-08:13:10
G02     257.2          80.2                7.0 +/-    0.49       7.1 +/-    0.49  0.190 / 0.200
G05     172.2          16.8                6.6 +/-    1.01      15.6 +/-    1.01  0.080 / 0.170
G06     39.8           55.8                5.4 +/-    0.43       6.3 +/-    0.43  0.090 / 0.230
G12     321.8          56.3                3.7 +/-    1.21       4.3 +/-    1.21  0.090 / 0.200
G17     72.5           20.1                5.3 +/-    0.76      11.5 +/-    0.76  0.030 / 0.040
G19     60.3           35.1                4.9 +/-    0.63       7.7 +/-    0.63  0.030 / 0.040
G24     244.3          33.3                8.3 +/-    1.08      13.6 +/-    1.08  0.090 / 0.120
G25     316.5          14.3                3.1 +/-    3.83       8.0 +/-    3.83  0.080 / 0.130