PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-01:43:10
G01     302.6          35.9                8.3 +/-    1.66      13.0 +/-    1.66  0.060 / 0.060
G10     110.4          37.6                6.5 +/-    1.05       9.9 +/-    1.05  0.050 / 0.060
G11     275.2          29.0                8.2 +/-    0.99      14.7 +/-    0.99  0.080 / 0.080
G14     9.6            63.9                5.4 +/-    0.54       6.0 +/-    0.54  0.090 / 0.110
G18     120.1          11.0                5.6 +/-    2.65      15.2 +/-    2.65  0.090 / 0.110
G22     310.9          28.8                4.7 +/-    1.29       8.5 +/-    1.29  0.080 / 0.120
G25     75.0           17.2                5.8 +/-    1.57      13.7 +/-    1.57  0.020 / 0.040
G31     168.4          67.9                7.8 +/-    0.45       8.3 +/-    0.45  0.020 / 0.030
G32     37.4           51.9                7.8 +/-    1.07       9.6 +/-    1.07  0.080 / 0.120