PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-21:43:10
G08     293.6          23.2               18.0 +/-    1.45      36.7 +/-    1.45  0.050 / 0.090
G10     2.7            63.0               15.9 +/-    0.85      17.6 +/-    0.85  0.050 / 0.090
G14     229.2          46.5               22.3 +/-    1.56      29.5 +/-    1.56  0.040 / 0.100
G18     62.5           51.3               16.6 +/-    0.29      20.6 +/-    0.29  0.040 / 0.100
G21     145.0          38.7               24.3 +/-    1.33      36.1 +/-    1.33  0.090 / 0.090
G24     58.5           27.1               15.4 +/-    0.45      28.8 +/-    0.45  0.090 / 0.090
G27     254.0          32.1               19.5 +/-    1.06      32.7 +/-    1.06  0.030 / 0.040
G32     242.1          63.9               20.0 +/-    0.84      22.0 +/-    0.84  0.030 / 0.070