PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-15:13:00
G02     235.7          73.6               11.7 +/-    0.74      12.1 +/-    0.74  0.050 / 0.100
G05     175.3          12.2               13.7 +/-    2.54      36.5 +/-    2.54  0.070 / 0.120
G06     41.2           61.6               10.4 +/-    0.73      11.7 +/-    0.73  0.030 / 0.050
G12     321.5          49.8               11.9 +/-    1.13      15.0 +/-    1.13  0.050 / 0.080
G17     71.2           21.1                9.3 +/-    1.77      19.9 +/-    1.77  0.110 / 0.250
G19     57.3           38.1                9.6 +/-    0.69      14.4 +/-    0.69  0.090 / 0.300
G24     249.1          36.0               12.7 +/-    1.14      19.9 +/-    1.14  0.030 / 0.030
G25     316.6          13.4               10.3 +/-    2.32      26.7 +/-    2.32  0.030 / 0.040