PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-15:12:40
G01     223.0          14.3                7.9 +/-    4.60      20.1 +/-    4.60  0.210 / 0.250
G03     265.3          72.1               11.1 +/-    0.30      11.6 +/-    0.30  0.150 / 0.280
G14     90.1           21.0                7.3 +/-    1.47      15.6 +/-    1.47  0.110 / 0.230
G16     149.3          46.0               11.2 +/-    1.08      14.9 +/-    1.08  0.190 / 0.240
G22     199.2          64.7               10.9 +/-    0.46      11.9 +/-    0.46  0.040 / 0.040
G23     309.9          39.6                7.1 +/-    0.99      10.4 +/-    0.99  0.050 / 0.030
G26     96.4           55.9                9.6 +/-    1.41      11.4 +/-    1.41  0.040 / 0.040
G31     46.5           30.3                7.4 +/-    1.42      12.9 +/-    1.42  0.040 / 0.040