PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-14:58:10
G02     201.2          17.2               13.2 +/-    3.06      31.2 +/-    3.06  0.090 / 0.220
G06     168.3          54.5               10.1 +/-    1.50      12.1 +/-    1.50  0.100 / 0.140
G13     227.7          13.8               12.1 +/-    3.58      31.1 +/-    3.58  0.030 / 0.040
G17     22.6           59.6                8.9 +/-    0.88      10.2 +/-    0.88  0.040 / 0.040
G19     307.2          70.2                8.5 +/-    0.54       8.9 +/-    0.54  0.160 / 0.430
G24     309.8          30.3                6.7 +/-    1.10      11.7 +/-    1.10  0.190 / 0.570
G28     86.5           40.5                8.5 +/-    0.59      12.3 +/-    0.59  0.040 / 0.050
G30     157.6          17.1               10.5 +/-    1.90      24.8 +/-    1.90  0.040 / 0.040