PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-16:28:00
G08     268.1          17.6                9.0 +/-    2.04      21.0 +/-    2.04  0.140 / 0.200
G10     62.0           58.5                7.0 +/-    0.51       8.1 +/-    0.51  0.120 / 0.170
G11     312.2          16.2                6.7 +/-    2.39      16.2 +/-    2.39  0.020 / 0.040
G14     267.8          65.9                6.8 +/-    0.61       7.3 +/-    0.61  0.030 / 0.030
G21     153.7          11.5               10.0 +/-    2.59      26.9 +/-    2.59  0.040 / 0.100
G27     230.2          15.0               10.0 +/-    1.13      25.0 +/-    1.13  0.050 / 0.110
G31     178.3          31.1                9.7 +/-    3.06      16.6 +/-    3.06  0.160 / 0.320
G32     342.3          73.6                6.6 +/-    0.63       6.9 +/-    0.63  0.220 / 0.320