PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-21:27:50
G08     274.2          20.8               23.6 +/-    2.16      50.8 +/-    2.16  0.370 / 0.360
G10     44.4           61.5               20.2 +/-    0.56      22.6 +/-    0.56  0.320 / 0.440
G11     315.8          12.4               12.4 +/-   17.99      33.0 +/-   17.99  0.130 / 0.310
G14     252.6          61.9               23.7 +/-    0.82      26.5 +/-    0.82  0.130 / 0.230
G18     84.6           40.4               19.2 +/-    1.40      27.8 +/-    1.40  0.080 / 0.140
G21     151.8          19.5               26.6 +/-    2.33      59.3 +/-    2.33  0.090 / 0.110
G24     44.0           16.8               15.0 +/-    2.69      35.6 +/-    2.69  0.180 / 0.170
G27     236.5          20.7               27.7 +/-    3.09      59.9 +/-    3.09  0.220 / 0.190
G31     182.3          19.5               34.2 +/-    2.30      76.1 +/-    2.30  0.040 / 0.040
G32     297.7          75.2               22.4 +/-    0.58      23.1 +/-    0.58  0.040 / 0.040