PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/22-01:43:00
G01     251.1          35.3                6.5 +/-    0.95      10.3 +/-    0.95  0.040 / 0.050
G03     316.0          41.9                5.5 +/-    2.23       7.8 +/-    2.23  0.030 / 0.040
G11     236.4          12.9                8.7 +/-    5.26      22.8 +/-    5.26  0.120 / 0.390
G14     61.1           39.9                4.5 +/-    0.51       6.5 +/-    0.51  0.190 / 0.330
G16     166.7          15.5                4.9 +/-   15.95      12.0 +/-   15.95  0.080 / 0.110
G22     305.6          64.9                4.9 +/-    1.36       5.3 +/-    1.36  0.070 / 0.100
G23     285.9          17.9                6.7 +/-    1.64      15.4 +/-    1.64  0.050 / 0.080
G26     142.4          35.9                9.2 +/-    1.26      14.3 +/-    1.26  0.050 / 0.100
G31     39.8           63.4                4.5 +/-    0.77       5.0 +/-    0.77  0.030 / 0.040
G32     76.0           25.4                5.2 +/-    0.84      10.0 +/-    0.84  0.030 / 0.040