PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-14:12:40
G05     51.6           11.9                3.5 +/-    3.00       9.3 +/-    3.00  0.170 / 0.170
G10     242.2          21.2                6.6 +/-    1.88      14.0 +/-    1.88  0.140 / 0.250
G13     63.5           33.2                5.3 +/-    0.59       8.7 +/-    0.59  0.270 / 0.710
G15     102.2          56.2                7.5 +/-    1.14       8.8 +/-    1.14  0.140 / 0.590
G16     305.2          15.3                2.8 +/-    4.63       6.9 +/-    4.63  0.080 / 0.130
G20     259.2          46.5                8.5 +/-    0.63      11.2 +/-    0.63  0.110 / 0.120
G21     323.4          53.2                4.5 +/-    3.20       5.5 +/-    3.20  0.030 / 0.040
G26     278.7          18.6                5.4 +/-    1.47      12.3 +/-    1.47  0.030 / 0.040
G29     159.6          63.3                8.1 +/-    0.93       8.9 +/-    0.93  0.040 / 0.050