PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-15:58:00
G02     319.0          80.9               10.0 +/-    0.61      10.1 +/-    0.61  0.130 / 0.160
G05     169.4          27.1               11.5 +/-    1.17      21.4 +/-    1.17  0.120 / 0.160
G06     40.6           45.0                8.2 +/-    0.69      11.0 +/-    0.69  0.030 / 0.040
G12     316.0          67.0                8.4 +/-    0.64       9.0 +/-    0.64  0.030 / 0.040
G17     84.6           11.3               11.2 +/-    1.88      30.4 +/-    1.88  0.070 / 0.150
G19     73.1           27.9                9.6 +/-    0.48      17.5 +/-    0.48  0.080 / 0.150
G24     233.0          25.8               12.5 +/-    1.53      23.9 +/-    1.53  0.050 / 0.040
G25     317.5          28.3                8.5 +/-    1.46      15.5 +/-    1.46  0.030 / 0.050