PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-09:27:30
G10     249.1          25.0                6.5 +/-    1.20      12.8 +/-    1.20  0.040 / 0.040
G13     55.7           31.4                3.6 +/-    1.10       6.1 +/-    1.10  0.040 / 0.040
G15     87.5           56.9                5.1 +/-    1.07       5.9 +/-    1.07  0.110 / 0.540
G16     298.2          15.1                1.6 +/-    2.23       4.0 +/-    2.23  0.110 / 0.490
G20     35.3           56.6                3.3 +/-    0.77       3.9 +/-    0.77  0.050 / 0.030
G21     333.4          60.0                3.4 +/-    0.75       3.8 +/-    0.75  0.060 / 0.040
G26     269.1          16.3                6.2 +/-    1.85      15.0 +/-    1.85  0.160 / 0.170
G29     163.9          50.9                6.0 +/-    0.62       7.5 +/-    0.62  0.120 / 0.160