PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/22-16:28:00
G02     359.8          75.0               10.0 +/-    0.75      10.3 +/-    0.75  0.120 / 0.320
G05     165.7          36.8               12.6 +/-    2.12      19.3 +/-    2.12  0.150 / 0.360
G06     43.3           35.9                8.7 +/-    0.85      13.7 +/-    0.85  0.030 / 0.050
G12     296.5          76.2               10.6 +/-    0.51      10.9 +/-    0.51  0.030 / 0.040
G19     81.9           22.0                8.6 +/-    1.40      18.1 +/-    1.40  0.060 / 0.090
G24     225.3          19.0               11.4 +/-    2.35      25.6 +/-    2.35  0.050 / 0.100
G25     315.3          37.4               11.5 +/-    1.02      17.5 +/-    1.02  0.030 / 0.080
G29     292.4          15.7                8.7 +/-    1.73      21.3 +/-    1.73  0.040 / 0.080