PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-14:43:00
G02     83.0           14.7                7.8 +/-    3.30      19.5 +/-    3.30  0.090 / 0.190
G05     44.5           35.5                6.0 +/-    0.91       9.5 +/-    0.91  0.150 / 0.240
G13     98.9           32.7                9.4 +/-    0.83      15.7 +/-    0.83  0.140 / 0.100
G15     147.8          36.8               10.0 +/-    1.58      15.3 +/-    1.58  0.160 / 0.120
G20     234.0          22.4                8.3 +/-    2.16      17.2 +/-    2.16  0.060 / 0.050
G21     297.9          37.1                7.1 +/-    2.42      10.9 +/-    2.42  0.090 / 0.080
G25     204.8          24.0                7.2 +/-    1.83      14.4 +/-    1.83  0.060 / 0.110
G26     307.1          17.2                4.7 +/-    2.12      11.2 +/-    2.12  0.060 / 0.100
G29     23.4           85.5               10.1 +/-    0.33      10.2 +/-    0.33  0.030 / 0.010