PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-11:57:50
G08     276.6          19.1                5.0 +/-    1.54      11.2 +/-    1.54  0.040 / 0.040
G10     51.6           60.3                4.5 +/-    0.23       5.1 +/-    0.23  0.030 / 0.050
G11     315.8          12.1               -0.8 +/-   10.19      -2.0 +/-   10.19  0.130 / 0.180
G14     254.6          60.4                5.9 +/-    0.91       6.7 +/-    0.91  0.140 / 0.220
G18     314.8          26.7                3.5 +/-    0.76       6.7 +/-    0.76  0.090 / 0.300
G21     153.5          19.1                6.3 +/-    2.82      14.1 +/-    2.82  0.180 / 0.330
G24     41.9           13.7                2.4 +/-    4.56       6.2 +/-    4.56  0.110 / 0.610
G27     234.7          18.8                6.1 +/-    4.43      13.9 +/-    4.43  0.160 / 0.440
G31     178.2          26.8                6.5 +/-    2.29      12.2 +/-    2.29  0.030 / 0.030
G32     326.4          75.8                6.2 +/-    0.36       6.4 +/-    0.36  0.030 / 0.030