PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-00:12:40
G08     306.8          20.5               12.5 +/-    1.21      27.2 +/-    1.21  0.030 / 0.050
G10     333.2          60.1               11.7 +/-    0.61      13.3 +/-    0.61  0.040 / 0.060
G14     219.1          33.9               13.7 +/-    0.99      22.2 +/-    0.99  0.050 / 0.100
G15     47.0           10.2               10.0 +/-    2.40      27.7 +/-    2.40  0.040 / 0.090
G18     40.6           59.0               12.6 +/-    0.38      14.4 +/-    0.38  0.040 / 0.050
G21     135.4          54.4               14.7 +/-    0.47      17.6 +/-    0.47  0.030 / 0.050
G24     73.7           30.5               13.6 +/-    0.64      23.6 +/-    0.64  0.050 / 0.110
G27     270.8          37.3               12.7 +/-    1.37      19.3 +/-    1.37  0.050 / 0.120
G32     224.9          51.2               13.3 +/-    1.12      16.6 +/-    1.12  0.070 / 0.080