PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-23:12:50
G10     275.5          42.1               18.0 +/-    1.65      25.2 +/-    1.65  0.040 / 0.050
G13     39.5           13.8               15.0 +/-    1.54      38.4 +/-    1.54  0.040 / 0.050
G15     52.8           43.3               17.1 +/-    0.69      23.6 +/-    0.69  0.130 / 0.270
G18     318.0          66.2               16.1 +/-    0.95      17.4 +/-    0.95  0.140 / 0.320
G20     60.3           28.3               14.4 +/-    1.07      26.2 +/-    1.07  0.200 / 0.300
G21     31.1           76.1               20.0 +/-    0.39      20.5 +/-    0.39  0.170 / 0.330
G24     114.9          18.4               22.5 +/-    1.81      51.4 +/-    1.81  0.060 / 0.160
G27     313.3          26.1               17.5 +/-    1.52      33.4 +/-    1.52  0.070 / 0.150
G29     167.2          19.9               24.3 +/-    1.38      53.6 +/-    1.38  0.070 / 0.130
G32     206.4          14.5               28.5 +/-    1.79      71.7 +/-    1.79  0.060 / 0.130