PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-01:12:40
G02     201.6          32.5               12.0 +/-    1.35      20.0 +/-    1.35  0.150 / 0.230
G06     165.5          64.8               10.9 +/-    0.50      11.9 +/-    0.50  0.190 / 0.340
G12     305.4          11.8                4.1 +/-   17.87      11.1 +/-   17.87  0.040 / 0.040
G17     28.7           54.8                8.3 +/-    1.42       9.9 +/-    1.42  0.050 / 0.040
G19     352.0          67.4                8.4 +/-    0.35       9.0 +/-    0.35  0.030 / 0.030
G24     302.1          35.8                8.7 +/-    2.07      13.6 +/-    2.07  0.030 / 0.040
G28     99.2           33.1                8.6 +/-    1.56      14.1 +/-    1.56  0.060 / 0.120