PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-01:27:50
G08     268.4          19.3               16.3 +/-    3.56      36.6 +/-    3.56  0.030 / 0.030
G10     54.3           60.2               15.2 +/-    0.68      17.2 +/-    0.68  0.030 / 0.030
G11     312.3          16.8               13.6 +/-    2.43      32.2 +/-    2.43  0.160 / 0.290
G14     263.1          65.9               17.1 +/-    0.86      18.6 +/-    0.86  0.160 / 0.260
G18     88.8           38.5               14.6 +/-    1.39      21.7 +/-    1.39  0.110 / 0.100
G21     153.5          17.0               17.6 +/-    1.75      41.8 +/-    1.75  0.060 / 0.120
G24     41.5           13.5               13.3 +/-    4.15      34.2 +/-    4.15  0.160 / 0.200
G27     232.5          17.3               19.0 +/-    1.80      44.7 +/-    1.80  0.120 / 0.260
G31     180.2          25.9               19.8 +/-    1.50      37.9 +/-    1.50  0.140 / 0.250
G32     317.0          75.0               15.7 +/-    0.76      16.2 +/-    0.76  0.110 / 0.270