PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-09:27:30
G10     242.0          18.4                4.5 +/-    2.14      10.3 +/-    2.14  0.080 / 0.390
G13     65.7           35.3                4.8 +/-    1.60       7.6 +/-    1.60  0.080 / 0.330
G15     106.2          56.2                6.7 +/-    0.84       7.9 +/-    0.84  0.040 / 0.050
G16     307.2          14.2                1.6 +/-    2.40       4.1 +/-    2.40  0.040 / 0.060
G20     26.6           64.5                3.0 +/-    0.73       3.3 +/-    0.73  0.040 / 0.040
G21     323.1          53.9                4.1 +/-    0.69       4.9 +/-    0.69  0.040 / 0.040
G26     278.3          19.1                3.9 +/-    1.04       8.7 +/-    1.04  0.060 / 0.080
G29     160.3          61.2                7.5 +/-    0.39       8.4 +/-    0.39  0.060 / 0.080