PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/27-23:57:40
G01     298.6          37.7               10.1 +/-    0.92      15.2 +/-    0.92  0.050 / 0.120
G03     309.2          10.5              -15.6 +/-   22.79     -43.0 +/-   22.79  0.050 / 0.130
G10     114.1          34.6               10.8 +/-    0.91      17.2 +/-    0.91  0.050 / 0.100
G11     271.6          28.2                9.4 +/-    2.06      17.0 +/-    2.06  0.060 / 0.080
G14     15.7           61.9                8.6 +/-    0.83       9.7 +/-    0.83  0.050 / 0.160
G22     312.0          31.8                9.0 +/-    1.89      15.2 +/-    1.89  0.050 / 0.100
G25     72.0           18.0                8.4 +/-    0.55      19.3 +/-    0.55  0.030 / 0.040
G31     168.1          70.9                7.8 +/-    1.05       8.2 +/-    1.05  0.030 / 0.060
G32     42.4           48.6                7.2 +/-    0.65       9.2 +/-    0.65  0.060 / 0.050