PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-00:28:00
G08     305.7          20.9               23.6 +/-    1.53      50.7 +/-    1.53  0.050 / 0.080
G10     335.5          60.4               23.0 +/-    0.36      26.0 +/-    0.36  0.040 / 0.100
G14     219.8          35.1               27.2 +/-    0.73      43.1 +/-    0.73  0.040 / 0.050
G18     42.4           58.5               21.7 +/-    0.56      25.0 +/-    0.56  0.030 / 0.060
G21     136.5          53.3               24.6 +/-    0.56      29.8 +/-    0.56  0.030 / 0.060
G24     72.3           30.4               23.6 +/-    0.66      40.9 +/-    0.66  0.040 / 0.050
G27     269.2          37.0               26.2 +/-    1.05      40.0 +/-    1.05  0.050 / 0.120
G32     226.1          52.5               26.8 +/-    1.05      32.8 +/-    1.05  0.050 / 0.120