PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-01:27:50
G01     296.4          38.5               10.1 +/-    0.72      15.1 +/-    0.72  0.070 / 0.080
G03     309.8          11.6                2.3 +/-   30.81       6.3 +/-   30.81  0.080 / 0.110
G10     115.7          33.2                9.9 +/-    0.70      16.3 +/-    0.70  0.050 / 0.110
G11     268.9          28.0               10.8 +/-    1.06      19.7 +/-    1.06  0.060 / 0.100
G14     19.3           60.6                8.3 +/-    0.65       9.4 +/-    0.65  0.030 / 0.040
G22     312.5          33.5                9.0 +/-    1.63      14.7 +/-    1.63  0.030 / 0.050
G25     69.4           18.0                7.3 +/-    0.83      16.9 +/-    0.83  0.030 / 0.030
G31     161.3          73.8               10.5 +/-    1.13      10.9 +/-    1.13  0.030 / 0.030
G32     43.3           48.2                6.9 +/-    0.66       8.8 +/-    0.66  0.060 / 0.140