PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-12:13:10
G07     41.6           68.5                3.3 +/-    0.42       3.5 +/-    0.42  0.030 / 0.030
G08     54.9           42.5               -0.2 +/-    3.60      -0.3 +/-    3.60  0.040 / 0.040
G09     176.6          40.7               -4.2 +/-   12.43      -6.0 +/-   12.43  0.150 / 0.180
G11     121.9          30.5                3.0 +/-    1.17       5.3 +/-    1.17  0.120 / 0.210
G17     198.6          11.1               -3.5 +/-   19.30      -9.4 +/-   19.30  0.040 / 0.050
G23     161.0          15.2                3.6 +/-    3.15       8.8 +/-    3.15  0.040 / 0.050
G27     38.2           11.3                3.3 +/-    1.91       8.8 +/-    1.91  0.170 / 0.210
G28     267.3          49.4              -44.2 +/-   56.92     -56.2 +/-   56.92  0.130 / 0.310
G30     324.1          53.4                3.8 +/-    1.33       4.6 +/-    1.33  0.130 / 0.330