PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-01:13:10
G08     284.4          23.2               19.0 +/-    1.37      38.7 +/-    1.37  0.120 / 0.150
G10     20.5           63.2               21.2 +/-    0.43      23.4 +/-    0.43  0.120 / 0.170
G14     237.6          54.1               19.5 +/-    1.03      23.5 +/-    1.03  0.050 / 0.110
G18     71.4           47.9               22.6 +/-    0.49      29.2 +/-    0.49  0.050 / 0.120
G21     148.9          32.5               19.2 +/-    1.05      31.9 +/-    1.05  0.030 / 0.040
G24     51.4           23.4               14.2 +/-    2.16      28.8 +/-    2.16  0.020 / 0.030
G27     245.7          27.5               22.6 +/-    1.50      41.8 +/-    1.50  0.110 / 0.300
G31     183.3          11.1                6.8 +/-   46.15      18.4 +/-   46.15  0.200 / 0.310
G32     259.6          70.4               18.7 +/-    0.75      19.7 +/-    0.75  0.040 / 0.080