PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-00:27:50
G10     260.4          33.2               11.5 +/-    1.13      18.9 +/-    1.13  0.060 / 0.090
G13     46.0           24.4                9.2 +/-    2.01      18.2 +/-    2.01  0.070 / 0.110
G15     69.3           54.5                9.4 +/-    0.39      11.3 +/-    0.39  0.040 / 0.040
G16     286.9          13.1               10.3 +/-    1.36      26.8 +/-    1.36  0.040 / 0.060
G18     286.2          61.1               10.2 +/-    0.89      11.4 +/-    0.89  0.040 / 0.090
G20     50.9           38.4                8.3 +/-    0.53      12.3 +/-    0.53  0.050 / 0.080
G21     349.7          68.0                9.2 +/-    0.52       9.8 +/-    0.52  0.160 / 0.460
G26     259.9          10.8               11.0 +/-    2.41      30.1 +/-    2.41  0.180 / 0.530
G27     320.3          15.4                9.6 +/-    1.18      23.7 +/-    1.18  0.160 / 0.360
G29     166.3          35.4               11.2 +/-    0.66      17.6 +/-    0.66  0.160 / 0.360