PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/01-00:42:40
G01     319.1          17.4               11.8 +/-    1.44      27.8 +/-    1.44  0.100 / 0.150
G08     256.6          13.5               15.0 +/-    1.26      38.8 +/-    1.26  0.110 / 0.170
G10     77.7           54.4               13.7 +/-    0.61      16.4 +/-    0.61  0.030 / 0.030
G11     302.8          23.9               12.4 +/-    1.46      24.8 +/-    1.46  0.040 / 0.020
G14     298.9          71.2               13.2 +/-    0.49      13.8 +/-    0.49  0.050 / 0.060
G18     101.1          29.6               14.6 +/-    0.94      25.8 +/-    0.94  0.070 / 0.050
G31     178.7          38.8               16.8 +/-    0.71      24.9 +/-    0.71  0.050 / 0.060
G32     356.8          69.6               12.4 +/-    0.44      13.1 +/-    0.44  0.040 / 0.060