PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-00:42:40
G10     265.3          36.4               12.8 +/-    1.81      19.8 +/-    1.81  0.230 / 0.410
G13     43.2           20.8                9.5 +/-    1.72      20.5 +/-    1.72  0.160 / 0.380
G15     62.5           51.5               10.9 +/-    0.77      13.5 +/-    0.77  0.230 / 0.280
G16     282.2          11.9               11.9 +/-    2.54      32.0 +/-    2.54  0.170 / 0.280
G18     295.8          63.2               11.0 +/-    0.76      12.1 +/-    0.76  0.070 / 0.050
G20     54.2           34.6               10.8 +/-    1.22      17.3 +/-    1.22  0.080 / 0.060
G21     359.7          71.2               11.0 +/-    0.58      11.6 +/-    0.58  0.040 / 0.040
G24     122.6          13.0               12.6 +/-    1.94      32.9 +/-    1.94  0.040 / 0.030
G27     318.4          19.2               10.4 +/-    1.59      23.4 +/-    1.59  0.070 / 0.090
G29     167.0          30.3               12.8 +/-    1.84      22.3 +/-    1.84  0.060 / 0.110