PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-22:42:50
G01     320.9          10.7              -16.0 +/-   32.39     -43.9 +/-   32.39  0.280 / 0.640
G08     264.3          17.2               13.6 +/-    1.23      31.9 +/-    1.23  0.280 / 0.570
G10     63.9           58.2                9.6 +/-    0.60      11.1 +/-    0.60  0.250 / 0.340
G11     309.6          19.1               10.8 +/-    1.67      24.4 +/-    1.67  0.260 / 0.390
G14     274.2          68.2               10.2 +/-    0.79      10.9 +/-    0.79  0.100 / 0.140
G18     94.2           34.4               10.0 +/-    0.63      16.1 +/-    0.63  0.070 / 0.100
G21     153.8          10.7               14.8 +/-    5.94      40.8 +/-    5.94  0.140 / 0.390
G27     228.9          14.0               14.8 +/-    8.61      37.8 +/-    8.61  0.170 / 0.480
G31     181.1          28.9               15.5 +/-    1.77      27.7 +/-    1.77  0.040 / 0.050
G32     335.6          73.6               10.1 +/-    0.50      10.5 +/-    0.50  0.050 / 0.050