PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-15:13:00
G01     45.3           21.1                4.9 +/-   15.49      10.6 +/-   15.49  0.140 / 0.150
G06     176.6          31.7                8.5 +/-   17.76      14.4 +/-   17.76  0.140 / 0.190
G13     246.2          26.6                8.9 +/-    2.23      16.8 +/-    2.23  0.080 / 0.210
G15     280.1          14.3                7.4 +/-    1.29      18.9 +/-    1.29  0.060 / 0.160
G17     353.0          74.4               15.6 +/-   16.55      16.1 +/-   16.55  0.050 / 0.050
G19     262.2          67.0               -7.5 +/-   37.75      -8.1 +/-   37.75  0.070 / 0.070
G24     318.9          11.9                2.0 +/-   24.16       5.4 +/-   24.16  0.220 / 0.290
G28     62.3           50.0                6.0 +/-    4.76       7.6 +/-    4.76  0.280 / 0.340
G30     152.6          36.7               10.2 +/-    1.42      15.7 +/-    1.42  0.240 / 0.190