PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-00:28:10
G10     255.6          29.8               15.3 +/-    2.89      27.0 +/-    2.89  0.120 / 0.240
G13     49.6           27.8                8.3 +/-    1.61      15.3 +/-    1.61  0.120 / 0.370
G15     78.3           57.0                9.4 +/-    3.31      11.0 +/-    3.31  0.040 / 0.030
G16     291.7          14.1               10.7 +/-    1.37      27.3 +/-    1.37  0.030 / 0.040
G18     277.2          58.4              -51.5 +/-   57.04     -59.4 +/-   57.04  0.120 / 0.210
G20     47.5           42.4               12.9 +/-    3.08      18.1 +/-    3.08  0.170 / 0.230
G21     341.3          64.4               11.8 +/-    0.90      12.9 +/-    0.90  0.120 / 0.100
G26     264.3          13.1               12.3 +/-    3.46      32.0 +/-    3.46  0.110 / 0.140
G27     321.7          11.2               -8.2 +/-   26.67     -22.2 +/-   26.67  0.050 / 0.060
G29     165.4          41.0               13.4 +/-    0.94      19.2 +/-    0.94  0.050 / 0.050