PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-02:58:10
G01     320.7          11.8               -9.7 +/-   32.41     -26.2 +/-   32.41  0.110 / 0.380
G08     262.5          16.8                8.8 +/-    2.75      21.0 +/-    2.75  0.120 / 0.390
G10     65.7           57.9                4.1 +/-    0.51       4.8 +/-    0.51  0.150 / 0.310
G11     307.9          20.9                6.0 +/-    3.74      13.0 +/-    3.74  0.150 / 0.320
G14     278.4          69.3                5.6 +/-    1.02       6.0 +/-    1.02  0.030 / 0.040
G18     94.4           35.1                4.7 +/-    0.89       7.5 +/-    0.89  0.030 / 0.030
G21     154.6          11.8                4.4 +/-    3.88      11.8 +/-    3.88  0.230 / 0.350
G27     228.1          13.3                9.2 +/-    2.83      23.7 +/-    2.83  0.190 / 0.350
G31     178.5          32.9                5.6 +/-    1.44       9.3 +/-    1.44  0.040 / 0.050
G32     342.4          72.9                6.3 +/-    0.54       6.6 +/-    0.54  0.040 / 0.050