PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-16:27:40
G02     241.1          74.9               13.9 +/-    0.37      14.3 +/-    0.37  0.480 / 0.280
G05     175.1          13.6               15.3 +/-    1.94      39.3 +/-    1.94  0.320 / 0.300
G06     40.6           58.4               15.2 +/-    0.32      17.5 +/-    0.32  0.090 / 0.090
G12     321.6          52.8               14.7 +/-    0.52      17.9 +/-    0.52  0.080 / 0.100
G17     73.3           19.5               13.0 +/-    1.28      28.9 +/-    1.28  0.050 / 0.040
G19     59.8           36.4               12.8 +/-    0.70      19.8 +/-    0.70  0.030 / 0.040
G24     246.4          34.7               13.6 +/-    2.28      21.7 +/-    2.28  0.080 / 0.140
G25     317.0          16.2               11.1 +/-    2.39      26.7 +/-    2.39  0.060 / 0.130