PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-15:42:30
G01     298.9          37.6                8.1 +/-    1.09      12.2 +/-    1.09  0.060 / 0.130
G03     310.1          15.0                6.8 +/-    1.57      16.8 +/-    1.57  0.060 / 0.110
G10     114.2          34.2                9.0 +/-    1.21      14.6 +/-    1.21  0.030 / 0.040
G11     275.8          26.7                6.8 +/-    0.88      12.8 +/-    0.88  0.030 / 0.030
G14     9.8            63.5                6.1 +/-    0.66       6.8 +/-    0.66  0.070 / 0.110
G22     312.7          34.5                7.5 +/-    1.20      11.9 +/-    1.20  0.080 / 0.110
G25     74.4           18.6                7.1 +/-    0.52      16.2 +/-    0.52  0.050 / 0.060
G31     150.5          74.3                8.1 +/-    1.37       8.4 +/-    1.37  0.050 / 0.070
G32     45.5           45.8                6.1 +/-    0.66       8.1 +/-    0.66  0.060 / 0.080