PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-06:57:30
G05     50.5           12.3                2.6 +/-    2.48       7.0 +/-    2.48  0.050 / 0.060
G10     238.9          16.7                7.6 +/-    1.62      18.2 +/-    1.62  0.040 / 0.050
G13     69.6           35.1                5.8 +/-    1.36       9.2 +/-    1.36  0.110 / 0.160
G15     114.9          54.9                7.9 +/-    0.48       9.5 +/-    0.48  0.140 / 0.170
G16     314.8          10.9               -0.1 +/-   13.24      -0.2 +/-   13.24  0.170 / 0.260
G20     252.6          40.6                9.9 +/-    1.56      14.2 +/-    1.56  0.210 / 0.260
G21     320.7          52.1                5.0 +/-    1.15       6.1 +/-    1.15  0.070 / 0.090
G26     287.0          18.6                5.9 +/-    1.80      13.4 +/-    1.80  0.050 / 0.090
G29     153.3          60.8                7.6 +/-    0.36       8.5 +/-    0.36  0.130 / 0.180