PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-14:43:10
G01     40.3           14.7                8.7 +/-    0.86      21.7 +/-    0.86  0.120 / 0.290
G06     174.9          41.0               14.5 +/-    0.80      20.7 +/-    0.80  0.120 / 0.280
G13     238.1          20.9               11.9 +/-    1.14      25.5 +/-    1.14  0.060 / 0.130
G15     271.2          11.8               10.5 +/-    2.19      28.1 +/-    2.19  0.050 / 0.140
G17     11.3           67.1               11.2 +/-    0.96      12.0 +/-    0.96  0.170 / 0.240
G19     289.1          71.4               11.8 +/-    0.36      12.4 +/-    0.36  0.150 / 0.240
G24     316.7          19.3                9.3 +/-    1.68      20.9 +/-    1.68  0.030 / 0.030
G28     74.6           45.6               10.0 +/-    0.81      13.4 +/-    0.81  0.030 / 0.040
G30     155.4          27.3               12.0 +/-    1.60      22.2 +/-    1.60  0.140 / 0.280