PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/19-01:12:30
G02     38.4           50.9               10.3 +/-    0.96      12.9 +/-    0.96  0.040 / 0.060
G05     124.9          66.1               12.4 +/-    0.64      13.4 +/-    0.64  0.040 / 0.060
G06     56.9           11.5                9.2 +/-    1.47      24.9 +/-    1.47  0.040 / 0.040
G12     193.1          61.8               13.4 +/-    0.64      15.0 +/-    0.64  0.050 / 0.050
G25     289.5          55.7                9.6 +/-    0.71      11.4 +/-    0.71  0.030 / 0.040
G29     310.4          31.0                9.4 +/-    0.96      16.0 +/-    0.96  0.030 / 0.040