PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/14-15:27:50
G03     225.9          66.5               12.6 +/-    0.33      13.6 +/-    0.33  0.130 / 0.250
G09     304.2          18.8                8.5 +/-    2.19      19.2 +/-    2.19  0.160 / 0.290
G14     100.2          16.2               11.0 +/-    2.07      26.6 +/-    2.07  0.050 / 0.050
G16     120.8          60.5               11.2 +/-    0.62      12.7 +/-    0.62  0.040 / 0.050
G22     188.2          50.2               11.9 +/-    1.32      14.9 +/-    1.32  0.040 / 0.050
G23     324.4          54.1               10.6 +/-    0.54      12.7 +/-    0.54  0.040 / 0.050
G26     64.6           49.4               10.2 +/-    0.32      13.0 +/-    0.32  0.030 / 0.040
G31     53.7           16.6                9.5 +/-    2.25      22.6 +/-    2.25  0.030 / 0.040