PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-22:27:50
G08     315.5          15.6               11.3 +/-    4.83      27.6 +/-    4.83  0.070 / 0.110
G10     314.4          56.3               12.1 +/-    0.91      14.2 +/-    0.91  0.080 / 0.130
G14     213.9          23.9               18.6 +/-    1.28      37.4 +/-    1.28  0.030 / 0.060
G15     45.6           18.3               11.4 +/-    1.25      26.2 +/-    1.25  0.030 / 0.040
G18     23.0           62.8               12.7 +/-    0.63      14.1 +/-    0.63  0.040 / 0.080
G20     79.7           10.7               12.4 +/-    3.72      34.0 +/-    3.72  0.050 / 0.060
G21     123.4          63.4               16.4 +/-    1.24      18.2 +/-    1.24  0.060 / 0.090
G24     86.1           30.0               15.3 +/-    0.74      26.8 +/-    0.74  0.050 / 0.090
G27     284.7          38.0               13.8 +/-    1.39      20.7 +/-    1.39  0.100 / 0.300
G32     217.2          40.1               16.8 +/-    1.09      24.3 +/-    1.09  0.100 / 0.300