PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-01:12:50
G08     269.6          19.7               13.2 +/-    1.78      29.3 +/-    1.78  0.030 / 0.030
G10     51.8           60.6               12.8 +/-    0.50      14.4 +/-    0.50  0.030 / 0.020
G11     313.1          16.0                9.5 +/-    1.33      23.1 +/-    1.33  0.210 / 0.310
G14     260.4          65.1               14.3 +/-    0.72      15.6 +/-    0.72  0.200 / 0.300
G18     87.6           39.2               11.8 +/-    0.59      17.4 +/-    0.59  0.100 / 0.190
G21     153.2          18.0               15.1 +/-    0.91      34.9 +/-    0.91  0.110 / 0.250
G24     42.1           14.3               10.1 +/-    3.62      25.5 +/-    3.62  0.040 / 0.050
G27     233.5          18.2               17.2 +/-    3.73      39.6 +/-    3.73  0.040 / 0.040
G31     180.5          24.5               14.9 +/-    1.37      29.5 +/-    1.37  0.080 / 0.110
G32     311.4          75.1               14.3 +/-    0.44      14.7 +/-    0.44  0.080 / 0.100