PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-01:57:50
G08     264.2          17.5               16.7 +/-    1.17      39.0 +/-    1.17  0.140 / 0.370
G10     62.6           58.6               16.0 +/-    0.69      18.4 +/-    0.69  0.160 / 0.290
G11     309.3          19.6                9.0 +/-    2.10      19.9 +/-    2.10  0.110 / 0.400
G14     273.7          68.4               15.1 +/-    0.67      16.1 +/-    0.67  0.100 / 0.510
G18     92.9           35.8               15.3 +/-    0.74      23.9 +/-    0.74  0.040 / 0.060
G21     154.2          13.0               17.2 +/-    1.79      44.9 +/-    1.79  0.030 / 0.050
G24     39.7           10.3                6.0 +/-    1.08      16.7 +/-    1.08  0.050 / 0.100
G27     229.3          14.4               18.8 +/-    2.05      47.4 +/-    2.05  0.070 / 0.110
G31     179.3          30.6               17.5 +/-    2.08      30.3 +/-    2.08  0.040 / 0.060
G32     334.6          73.8               17.6 +/-    0.70      18.3 +/-    0.70  0.040 / 0.060