PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-02:27:40
G01     309.6          31.1                8.6 +/-    2.60      14.7 +/-    2.60  0.060 / 0.100
G10     102.1          43.3               10.5 +/-    0.72      14.5 +/-    0.72  0.070 / 0.100
G11     283.9          29.2                9.5 +/-    1.47      16.9 +/-    1.47  0.030 / 0.040
G14     353.4          67.9                8.9 +/-    0.93       9.5 +/-    0.93  0.030 / 0.040
G18     114.9          17.2                9.6 +/-    1.08      22.5 +/-    1.08  0.070 / 0.170
G22     308.2          22.8                6.3 +/-    1.99      13.0 +/-    1.99  0.070 / 0.130
G25     82.3           15.2                7.6 +/-    1.64      18.8 +/-    1.64  0.040 / 0.050
G31     172.7          59.7               13.3 +/-    0.99      15.2 +/-    0.99  0.040 / 0.050
G32     28.9           56.9                7.1 +/-    0.73       8.3 +/-    0.73  0.060 / 0.190