PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-20:58:10
G03     185.0          10.2               14.3 +/-    3.01      39.6 +/-    3.01  0.050 / 0.060
G07     300.5          42.9               10.4 +/-    2.23      14.5 +/-    2.23  0.050 / 0.050
G08     136.3          35.6               13.4 +/-    0.86      21.0 +/-    0.86  0.050 / 0.090
G09     314.7          72.1               10.4 +/-    0.60      10.9 +/-    0.60  0.060 / 0.090
G16     41.6           29.8                9.3 +/-    1.53      16.3 +/-    1.53  0.110 / 0.110
G23     137.8          67.7               12.1 +/-    0.76      12.9 +/-    0.76  0.080 / 0.120
G27     85.5           36.6               10.1 +/-    0.97      15.6 +/-    0.97  0.140 / 0.300
G30     283.1          22.0                9.9 +/-    1.95      20.9 +/-    1.95  0.200 / 0.340