PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-17:58:00
G01     315.3          26.7                5.8 +/-    1.48      10.8 +/-    1.48  0.120 / 0.310
G10     91.4           46.6                9.0 +/-    0.62      11.8 +/-    0.62  0.100 / 0.250
G11     299.7          22.8                6.1 +/-    1.93      12.6 +/-    1.93  0.040 / 0.050
G14     307.5          70.1                7.2 +/-    0.77       7.6 +/-    0.77  0.040 / 0.040
G20     112.7          20.4                7.5 +/-    1.63      16.2 +/-    1.63  0.040 / 0.040
G22     304.6          14.8                6.1 +/-    2.07      15.2 +/-    2.07  0.030 / 0.050
G25     94.6           11.2                9.9 +/-    2.48      26.9 +/-    2.48  0.130 / 0.290
G31     174.3          49.5                8.8 +/-    0.89      11.2 +/-    0.89  0.150 / 0.240
G32     22.9           60.9                7.6 +/-    0.73       8.5 +/-    0.73  0.040 / 0.050