PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-23:43:10
G08     292.5          23.4               13.4 +/-    1.24      27.2 +/-    1.24  0.050 / 0.090
G10     3.9            63.1               10.5 +/-    0.57      11.6 +/-    0.57  0.050 / 0.090
G14     229.8          47.4               15.2 +/-    0.99      19.8 +/-    0.99  0.050 / 0.110
G18     62.5           51.6               12.3 +/-    0.63      15.3 +/-    0.63  0.050 / 0.080
G21     145.5          39.3               14.2 +/-    1.20      21.0 +/-    1.20  0.030 / 0.040
G24     57.9           26.9               11.8 +/-    0.57      22.1 +/-    0.57  0.030 / 0.040
G27     253.3          31.7               15.3 +/-    2.31      25.8 +/-    2.31  0.090 / 0.110
G32     242.9          64.0               14.3 +/-    0.63      15.8 +/-    0.63  0.090 / 0.090