PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-22:42:30
G08     305.3          20.9               13.4 +/-    1.54      28.8 +/-    1.54  0.060 / 0.090
G10     336.9          60.6               14.3 +/-    0.49      16.2 +/-    0.49  0.060 / 0.090
G14     220.2          35.5               19.7 +/-    1.63      30.9 +/-    1.63  0.050 / 0.080
G18     44.5           57.8               15.3 +/-    0.43      17.8 +/-    0.43  0.040 / 0.070
G21     137.0          51.7               18.3 +/-    0.54      22.6 +/-    0.54  0.040 / 0.050
G24     71.6           30.4               16.7 +/-    0.70      29.0 +/-    0.70  0.040 / 0.040
G27     268.5          36.9               17.2 +/-    0.95      26.3 +/-    0.95  0.070 / 0.090
G32     226.6          51.9               17.3 +/-    0.51      21.3 +/-    0.51  0.060 / 0.080