PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-16:27:50
G10     247.9          26.4               10.3 +/-    1.20      19.5 +/-    1.20  0.160 / 0.410
G13     55.8           30.2                9.5 +/-    1.32      16.6 +/-    1.32  0.180 / 0.430
G15     89.5           57.1               10.3 +/-    1.50      12.0 +/-    1.50  0.030 / 0.040
G16     298.1          16.0                5.8 +/-    6.72      14.2 +/-    6.72  0.030 / 0.040
G20     267.8          50.8               10.6 +/-    2.89      13.2 +/-    2.89  0.040 / 0.050
G21     330.5          57.6                9.2 +/-    0.89      10.7 +/-    0.89  0.040 / 0.050
G26     271.2          16.6                7.7 +/-    2.15      18.5 +/-    2.15  0.120 / 0.140
G29     162.8          54.8               10.4 +/-    0.76      12.4 +/-    0.76  0.090 / 0.130