PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-00:58:10
G01     319.6          15.8                8.1 +/-    1.73      19.7 +/-    1.73  0.140 / 0.420
G08     258.3          14.5               14.5 +/-    1.36      36.6 +/-    1.36  0.140 / 0.360
G10     74.4           55.5                8.6 +/-    0.53      10.2 +/-    0.53  0.070 / 0.070
G11     304.4          23.0                9.0 +/-    1.87      18.4 +/-    1.87  0.050 / 0.060
G14     292.6          70.8                9.0 +/-    0.64       9.5 +/-    0.64  0.030 / 0.020
G18     99.3           31.0               10.4 +/-    0.89      17.9 +/-    0.89  0.020 / 0.030
G27     224.6          10.0               16.6 +/-    6.97      46.4 +/-    6.97  0.270 / 0.430
G31     178.8          36.8               13.3 +/-    2.09      20.4 +/-    2.09  0.220 / 0.480
G32     352.4          70.7                8.2 +/-    0.64       8.7 +/-    0.64  0.050 / 0.050