PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-05:57:40
G01     225.8          16.7                6.8 +/-    2.42      16.3 +/-    2.42  0.030 / 0.040
G03     290.0          65.7                4.7 +/-    1.00       5.1 +/-    1.00  0.040 / 0.040
G09     295.1          10.3              -14.3 +/-   20.14     -39.7 +/-   20.14  0.110 / 0.290
G14     87.9           22.5                4.0 +/-    1.36       8.3 +/-    1.36  0.110 / 0.240
G16     149.7          44.5               11.0 +/-    0.97      15.0 +/-    0.97  0.090 / 0.230
G22     216.1          70.8                7.3 +/-    0.60       7.7 +/-    0.60  0.110 / 0.340
G23     306.6          36.1                5.7 +/-    0.91       8.8 +/-    0.91  0.040 / 0.090
G26     101.8          55.1                8.2 +/-    0.49       9.8 +/-    0.49  0.050 / 0.080
G31     44.6           33.6                4.0 +/-    0.52       6.5 +/-    0.52  0.050 / 0.080