PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/26-23:42:40
G01     238.8          27.9                8.6 +/-    1.41      15.8 +/-    1.41  0.030 / 0.030
G03     310.9          54.5                7.5 +/-    1.42       9.0 +/-    1.42  0.040 / 0.040
G14     72.8           33.1                5.1 +/-    0.68       8.5 +/-    0.68  0.060 / 0.130
G16     161.4          26.9                9.1 +/-    2.39      16.9 +/-    2.39  0.130 / 0.090
G22     278.4          74.0                7.4 +/-    1.03       7.7 +/-    1.03  0.080 / 0.170
G23     295.2          25.9                7.2 +/-    2.88      13.8 +/-    2.88  0.090 / 0.150
G26     127.2          46.7                9.5 +/-    0.58      12.5 +/-    0.58  0.030 / 0.040
G31     39.8           49.4                6.8 +/-    0.83       8.7 +/-    0.83  0.040 / 0.050
G32     86.8           16.8                7.7 +/-    2.66      18.4 +/-    2.66  0.060 / 0.110