PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/17-16:12:40
G03     237.3          70.0               10.4 +/-    0.82      10.9 +/-    0.82  0.080 / 0.250
G09     301.2          15.2                5.5 +/-    2.60      13.6 +/-    2.60  0.110 / 0.210
G14     97.2           15.6                6.9 +/-    1.32      17.0 +/-    1.32  0.130 / 0.360
G16     142.0          54.0               10.5 +/-    0.81      12.6 +/-    0.81  0.110 / 0.380
G22     192.8          56.3                9.6 +/-    0.41      11.3 +/-    0.41  0.040 / 0.030
G23     316.1          45.8                7.6 +/-    0.95      10.2 +/-    0.95  0.040 / 0.030
G26     80.4           55.6                8.1 +/-    1.23       9.6 +/-    1.23  0.040 / 0.050
G31     50.2           23.8                6.5 +/-    2.29      13.1 +/-    2.29  0.050 / 0.040