PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-21:58:00
G01     320.3          13.7               15.7 +/-    2.34      40.4 +/-    2.34  0.110 / 0.310
G08     261.1          15.6               24.7 +/-    2.86      60.5 +/-    2.86  0.140 / 0.360
G10     70.6           56.5               20.6 +/-    0.81      24.2 +/-    0.81  0.060 / 0.090
G11     307.1          21.0               19.7 +/-    5.39      42.4 +/-    5.39  0.060 / 0.090
G14     284.0          69.7               23.6 +/-    0.31      25.0 +/-    0.31  0.110 / 0.260
G18     97.7           31.7               22.3 +/-    1.43      37.7 +/-    1.43  0.120 / 0.340
G27     226.3          11.6               28.3 +/-    4.04      76.3 +/-    4.04  0.050 / 0.070
G31     180.1          33.4               30.2 +/-    0.82      49.4 +/-    0.82  0.050 / 0.060
G32     349.1          71.7               22.2 +/-    0.63      23.2 +/-    0.63  0.030 / 0.030