PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-14:42:50
G02     28.0           59.1                6.8 +/-    0.44       7.8 +/-    0.44  0.040 / 0.060
G05     151.1          58.4                8.5 +/-    0.62       9.8 +/-    0.62  0.040 / 0.050
G06     52.7           16.9                4.4 +/-    1.01      10.4 +/-    1.01  0.020 / 0.030
G12     197.3          69.0                6.4 +/-    1.08       6.8 +/-    1.08  0.040 / 0.040
G19     97.0           14.0                7.5 +/-    1.30      19.0 +/-    1.30  0.030 / 0.040
G25     296.4          55.1                5.5 +/-    1.56       6.5 +/-    1.56  0.030 / 0.040
G29     305.8          26.2                6.4 +/-    2.62      12.3 +/-    2.62  0.120 / 0.160