PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-15:12:30
G02     252.7          78.2               16.8 +/-    0.87      17.1 +/-    0.87  0.150 / 0.190
G05     173.2          17.1               15.8 +/-    1.99      37.4 +/-    1.99  0.130 / 0.210
G06     39.9           56.1               13.6 +/-    0.41      16.1 +/-    0.41  0.040 / 0.050
G12     321.2          55.4               11.9 +/-    1.45      14.2 +/-    1.45  0.040 / 0.050
G17     75.7           17.9               10.3 +/-    0.64      24.0 +/-    0.64  0.100 / 0.100
G19     62.7           34.6               12.3 +/-    1.59      19.6 +/-    1.59  0.090 / 0.110
G24     243.2          32.9               14.6 +/-    1.42      24.2 +/-    1.42  0.040 / 0.070
G25     317.4          18.1                9.7 +/-    0.82      22.3 +/-    0.82  0.040 / 0.050