PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-23:27:50
G08     273.0          20.7               11.1 +/-    2.06      24.0 +/-    2.06  0.100 / 0.210
G10     45.5           61.4               10.6 +/-    0.42      11.9 +/-    0.42  0.110 / 0.290
G11     315.1          13.4                9.5 +/-    2.17      24.5 +/-    2.17  0.030 / 0.040
G14     254.1          62.8               10.8 +/-    0.63      12.0 +/-    0.63  0.030 / 0.030
G18     84.8           40.6               10.9 +/-    0.69      15.6 +/-    0.69  0.020 / 0.030
G21     152.3          20.2               12.2 +/-    1.46      26.7 +/-    1.46  0.020 / 0.030
G24     43.7           16.4                8.4 +/-    1.48      20.2 +/-    1.48  0.100 / 0.180
G27     235.9          20.2               13.8 +/-    1.86      30.2 +/-    1.86  0.050 / 0.150
G31     182.0          20.4               14.0 +/-    3.30      30.6 +/-    3.30  0.070 / 0.150
G32     296.2          74.7               10.8 +/-    0.74      11.2 +/-    0.74  0.080 / 0.200