PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-01:42:40
G08     263.7          17.3               11.5 +/-    1.28      27.0 +/-    1.28  0.030 / 0.030
G10     63.8           58.3                9.0 +/-    0.61      10.4 +/-    0.61  0.030 / 0.030
G11     308.9          19.9                8.7 +/-    2.52      19.2 +/-    2.52  0.140 / 0.240
G14     275.2          68.7                8.8 +/-    0.50       9.4 +/-    0.50  0.240 / 0.350
G18     93.6           35.4                9.5 +/-    1.35      14.9 +/-    1.35  0.100 / 0.300
G21     154.3          12.3               10.1 +/-    2.51      26.8 +/-    2.51  0.110 / 0.280
G24     39.5           9.9                 8.2 +/-    5.02      22.9 +/-    5.02  0.050 / 0.100
G27     228.8          14.0               11.4 +/-    2.39      29.1 +/-    2.39  0.060 / 0.090
G31     179.3          31.0               11.0 +/-    1.15      18.8 +/-    1.15  0.130 / 0.200
G32     336.1          73.5                9.0 +/-    0.24       9.4 +/-    0.24  0.170 / 0.470