PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-14:58:10
G01     230.2          21.4                8.2 +/-    1.56      17.4 +/-    1.56  0.150 / 0.260
G03     295.5          67.6                7.9 +/-    0.91       8.5 +/-    0.91  0.110 / 0.240
G14     81.4           27.1                6.5 +/-    1.43      12.1 +/-    1.43  0.040 / 0.040
G16     156.3          35.8                8.9 +/-    0.97      13.8 +/-    0.97  0.040 / 0.040
G22     219.1          73.8                7.7 +/-    0.29       7.9 +/-    0.29  0.180 / 0.300
G23     302.5          32.6                7.4 +/-    1.97      12.3 +/-    1.97  0.250 / 0.290
G26     114.9          52.6                8.9 +/-    0.57      10.9 +/-    0.57  0.070 / 0.150
G31     42.9           39.2                6.4 +/-    1.21       9.5 +/-    1.21  0.080 / 0.140
G32     92.9           13.6                7.1 +/-    2.60      18.2 +/-    2.60  0.040 / 0.030