PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-17:42:40
G02     61.5           31.1               14.6 +/-    1.43      25.0 +/-    1.43  0.050 / 0.060
G05     58.0           62.7               14.5 +/-    0.81      16.1 +/-    0.81  0.060 / 0.050
G12     185.2          30.6               15.6 +/-    1.61      26.9 +/-    1.61  0.060 / 0.110
G13     128.0          16.6               16.8 +/-    1.26      40.1 +/-    1.26  0.080 / 0.120
G15     162.3          13.8               15.4 +/-    1.63      39.4 +/-    1.63  0.100 / 0.310
G20     209.1          62.5               18.2 +/-    0.79      20.3 +/-    0.79  0.120 / 0.210
G21     273.6          20.4               12.2 +/-    1.88      26.6 +/-    1.88  0.040 / 0.040
G25     229.8          49.5               16.0 +/-    1.27      20.2 +/-    1.27  0.030 / 0.040
G29     334.5          61.4               13.9 +/-    1.30      15.6 +/-    1.30  0.100 / 0.250