PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-20:12:50
G05     52.8           11.0               14.4 +/-    2.71      39.3 +/-    2.71  0.220 / 0.250
G10     244.2          20.1               17.5 +/-    1.85      38.4 +/-    1.85  0.160 / 0.260
G13     63.2           35.1               16.0 +/-    0.87      25.4 +/-    0.87  0.050 / 0.050
G15     103.0          57.2               17.0 +/-    0.92      19.9 +/-    0.92  0.040 / 0.050
G16     307.4          13.2               11.3 +/-    1.20      29.4 +/-    1.20  0.090 / 0.170
G18     258.4          51.1               15.4 +/-    2.59      19.1 +/-    2.59  0.130 / 0.180
G20     36.9           55.7               15.1 +/-    0.76      17.9 +/-    0.76  0.320 / 0.200
G21     326.3          56.1               15.6 +/-    0.72      18.4 +/-    0.72  0.300 / 0.250
G26     280.0          17.6               14.5 +/-    0.87      33.8 +/-    0.87  0.050 / 0.040
G29     159.8          54.1               17.0 +/-    0.51      20.4 +/-    0.51  0.050 / 0.040