PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-04:42:30
G01     225.0          15.9                5.1 +/-    1.54      12.4 +/-    1.54  0.120 / 0.150
G03     286.8          66.6                3.4 +/-    1.02       3.7 +/-    1.02  0.130 / 0.170
G09     295.6          10.3              -15.4 +/-   16.92     -42.8 +/-   16.92  0.040 / 0.050
G14     88.9           21.8                2.8 +/-    1.64       5.9 +/-    1.64  0.040 / 0.040
G16     149.9          45.2                8.8 +/-    0.79      11.8 +/-    0.79  0.140 / 0.360
G22     214.5          69.9                5.2 +/-    0.58       5.5 +/-    0.58  0.150 / 0.370
G23     307.5          36.9                4.0 +/-    0.96       6.2 +/-    0.96  0.040 / 0.080
G26     101.0          55.6                6.8 +/-    1.03       8.1 +/-    1.03  0.040 / 0.080
G31     44.8           33.5                1.9 +/-    0.49       3.1 +/-    0.49  0.040 / 0.080