PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-00:42:40
G10     261.6          34.0               14.8 +/-    1.22      23.9 +/-    1.22  0.050 / 0.090
G13     45.2           23.5                9.4 +/-    1.03      18.9 +/-    1.03  0.060 / 0.080
G15     67.6           53.9               12.9 +/-    0.67      15.5 +/-    0.67  0.100 / 0.090
G16     285.6          12.9               10.8 +/-    2.08      28.3 +/-    2.08  0.080 / 0.110
G18     288.4          61.6               13.9 +/-    0.84      15.6 +/-    0.84  0.150 / 0.440
G20     51.8           37.4               10.0 +/-    0.57      15.2 +/-    0.57  0.150 / 0.470
G21     351.8          68.7               12.0 +/-    0.63      12.7 +/-    0.63  0.040 / 0.040
G26     258.8          10.2               13.6 +/-    1.85      37.8 +/-    1.85  0.050 / 0.040
G27     319.8          16.3                9.4 +/-    1.56      22.7 +/-    1.56  0.130 / 0.210
G29     166.5          34.2               14.9 +/-    1.93      24.0 +/-    1.93  0.130 / 0.190