PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-12:27:50
G07     38.8           68.5                4.7 +/-    0.61       5.0 +/-    0.61  0.090 / 0.160
G08     55.9           43.2                1.1 +/-    1.48       1.6 +/-    1.48  0.140 / 0.180
G09     176.8          42.0              -10.2 +/-    8.05     -14.4 +/-    8.05  0.040 / 0.050
G11     122.8          29.9                3.6 +/-    1.27       6.4 +/-    1.27  0.040 / 0.050
G17     198.6          10.1               -8.8 +/-    8.79     -24.6 +/-    8.79  0.110 / 0.180
G23     160.9          16.2                3.5 +/-    1.44       8.4 +/-    1.44  0.170 / 0.210
G27     38.5           12.2                4.2 +/-    1.77      11.1 +/-    1.77  0.030 / 0.040
G28     265.8          48.7              -73.8 +/-   39.30     -94.5 +/-   39.30  0.030 / 0.030
G30     323.1          52.5                5.3 +/-    0.71       6.4 +/-    0.71  0.110 / 0.280