PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-00:28:10
G02     279.9          81.5                9.0 +/-    1.09       9.1 +/-    1.09  0.040 / 0.120
G05     167.8          23.8               15.4 +/-    1.43      31.0 +/-    1.43  0.030 / 0.090
G06     40.0           50.4                8.9 +/-    0.60      11.2 +/-    0.60  0.040 / 0.130
G12     320.5          59.9               10.2 +/-    1.03      11.5 +/-    1.03  0.040 / 0.130
G17     75.5           21.0               10.6 +/-    1.08      22.7 +/-    1.08  0.080 / 0.130
G19     63.8           35.0               10.2 +/-    0.45      16.2 +/-    0.45  0.080 / 0.130
G24     237.7          30.2               12.0 +/-    2.88      21.0 +/-    2.88  0.080 / 0.190
G25     317.7          18.1                8.4 +/-    1.65      19.4 +/-    1.65  0.080 / 0.200