PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-21:57:30
G03     255.5          69.9                7.4 +/-    0.71       7.9 +/-    0.71  0.030 / 0.050
G09     302.5          19.7                7.6 +/-    1.84      16.9 +/-    1.84  0.040 / 0.060
G14     94.2           20.8               11.0 +/-    1.63      23.8 +/-    1.63  0.130 / 0.270
G16     129.8          55.4               12.6 +/-    1.28      14.9 +/-    1.28  0.110 / 0.250
G22     201.5          60.1               10.4 +/-    0.73      11.8 +/-    0.73  0.040 / 0.060
G23     315.7          45.5                7.5 +/-    2.13      10.0 +/-    2.13  0.050 / 0.070
G26     76.3           53.2                6.8 +/-    1.34       8.3 +/-    1.34  0.040 / 0.040
G31     50.3           22.9                4.9 +/-    0.59      10.1 +/-    0.59  0.030 / 0.040