PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/16-14:43:00
G08     273.9          19.2                6.1 +/-    1.31      13.7 +/-    1.31  0.210 / 0.350
G10     52.6           60.2                7.3 +/-    0.55       8.3 +/-    0.55  0.110 / 0.320
G11     315.7          12.3                5.2 +/-    1.86      13.8 +/-    1.86  0.040 / 0.140
G14     256.9          62.1                7.3 +/-    0.65       8.2 +/-    0.65  0.060 / 0.120
G21     153.2          17.2                8.9 +/-    1.97      20.9 +/-    1.97  0.130 / 0.250
G24     41.8           13.6                5.0 +/-    1.66      12.8 +/-    1.66  0.110 / 0.280
G27     234.0          18.3                8.4 +/-    1.63      19.2 +/-    1.63  0.050 / 0.060
G31     178.8          26.7                7.6 +/-    1.63      14.3 +/-    1.63  0.050 / 0.050
G32     325.9          75.6                7.3 +/-    1.27       7.5 +/-    1.27  0.030 / 0.050