PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-21:57:40
G03     255.5          69.9                9.5 +/-    0.73      10.1 +/-    0.73  0.040 / 0.050
G09     302.5          19.7                7.8 +/-    1.97      17.3 +/-    1.97  0.040 / 0.050
G14     94.2           20.8               10.0 +/-    3.20      21.7 +/-    3.20  0.040 / 0.050
G16     129.8          55.4               12.8 +/-    0.61      15.2 +/-    0.61  0.030 / 0.050
G22     201.5          60.1               10.0 +/-    0.55      11.3 +/-    0.55  0.120 / 0.320
G23     315.7          45.5                8.8 +/-    0.85      11.7 +/-    0.85  0.130 / 0.340
G26     76.3           53.2                8.2 +/-    0.89      10.0 +/-    0.89  0.040 / 0.030
G31     50.3           22.9                7.9 +/-    2.36      16.3 +/-    2.36  0.030 / 0.030