PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-13:57:40
G02     215.1          59.0               11.4 +/-    0.73      13.0 +/-    0.73  0.060 / 0.110
G06     63.3           77.0                9.3 +/-    0.66       9.5 +/-    0.66  0.050 / 0.100
G12     318.3          34.7                7.7 +/-    2.19      12.3 +/-    2.19  0.060 / 0.080
G17     58.6           30.7                8.2 +/-    0.83      14.1 +/-    0.83  0.060 / 0.060
G19     40.9           48.1                8.5 +/-    0.65      10.9 +/-    0.65  0.140 / 0.400
G24     268.7          41.5                7.9 +/-    0.93      11.2 +/-    0.93  0.230 / 0.490
G28     122.6          13.5               10.3 +/-    1.17      26.5 +/-    1.17  0.050 / 0.090