PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-04:43:00
G01     243.2          31.0                7.4 +/-    2.23      12.7 +/-    2.23  0.080 / 0.140
G03     314.0          48.3                6.0 +/-    0.69       7.7 +/-    0.69  0.090 / 0.160
G14     68.7           35.1                3.5 +/-    1.03       5.5 +/-    1.03  0.040 / 0.030
G16     161.9          23.6                5.7 +/-    1.85      11.5 +/-    1.85  0.030 / 0.030
G22     292.4          71.6                6.3 +/-    0.47       6.6 +/-    0.47  0.120 / 0.110
G23     291.3          22.3                6.8 +/-    2.04      14.2 +/-    2.04  0.080 / 0.110
G26     133.1          42.8                5.8 +/-    0.61       8.0 +/-    0.61  0.050 / 0.040
G31     39.5           53.4                5.0 +/-    0.52       6.1 +/-    0.52  0.030 / 0.040
G32     82.3           20.6                5.9 +/-    2.34      12.7 +/-    2.34  0.070 / 0.150