PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/06-18:57:40
G02     253.7          76.9               14.8 +/-    0.65      15.2 +/-    0.65  0.100 / 0.250
G05     172.6          18.6               20.6 +/-    1.70      46.8 +/-    1.70  0.090 / 0.280
G06     40.2           52.4               12.3 +/-    0.63      15.0 +/-    0.63  0.080 / 0.210
G12     321.2          59.0               14.1 +/-    0.66      16.1 +/-    0.66  0.080 / 0.200
G17     77.4           16.5               12.1 +/-    0.78      29.0 +/-    0.78  0.030 / 0.040
G19     64.7           33.3               11.9 +/-    0.88      19.5 +/-    0.88  0.030 / 0.050
G24     241.3          31.8               17.0 +/-    1.56      28.7 +/-    1.56  0.090 / 0.130
G25     317.6          22.1                9.4 +/-    2.24      19.7 +/-    2.24  0.090 / 0.120