PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-21:27:50
G08     269.1          19.8               10.8 +/-    2.40      23.8 +/-    2.40  0.040 / 0.070
G10     54.5           59.4               10.8 +/-    1.19      12.3 +/-    1.19  0.050 / 0.060
G14     258.5          63.9               12.2 +/-    1.37      13.4 +/-    1.37  0.080 / 0.360
G18     313.6          30.3                9.7 +/-    1.09      16.9 +/-    1.09  0.070 / 0.430
G20     91.5           39.1               10.9 +/-    0.70      16.1 +/-    0.70  0.120 / 0.200
G21     153.8          18.0               11.9 +/-    3.91      27.5 +/-    3.91  0.100 / 0.190
G24     39.8           9.9                 8.2 +/-    3.81      23.0 +/-    3.81  0.270 / 0.330
G27     236.3          18.9               13.1 +/-    2.79      29.6 +/-    2.79  0.220 / 0.390
G31     179.8          25.6               15.2 +/-    1.84      29.2 +/-    1.84  0.130 / 0.310
G32     325.8          75.7               12.3 +/-    0.72      12.7 +/-    0.72  0.200 / 0.400