PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-18:57:50
G02     353.5          75.7                7.9 +/-    0.48       8.1 +/-    0.48  0.060 / 0.090
G05     161.9          39.0               10.8 +/-    0.82      16.0 +/-    0.82  0.050 / 0.070
G06     43.8           33.2                6.4 +/-    1.28      10.5 +/-    1.28  0.020 / 0.030
G12     287.5          80.2                7.1 +/-    0.54       7.2 +/-    0.54  0.030 / 0.030
G19     78.5           26.6                8.8 +/-    1.86      16.6 +/-    1.86  0.030 / 0.040
G24     222.7          18.3               11.6 +/-    1.96      26.7 +/-    1.96  0.030 / 0.040
G25     315.8          34.6                9.5 +/-    1.96      15.1 +/-    1.96  0.080 / 0.110
G29     289.7          11.0                5.1 +/-   23.82      13.8 +/-   23.82  0.090 / 0.120