PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-18:58:10
G03     199.3          45.6               12.1 +/-    0.43      16.2 +/-    0.43  0.090 / 0.120
G07     265.0          21.0               11.4 +/-    3.03      24.4 +/-    3.03  0.080 / 0.110
G09     314.6          35.5               10.0 +/-    2.11      15.7 +/-    2.11  0.140 / 0.180
G16     70.3           62.1               11.3 +/-    0.76      12.7 +/-    0.76  0.080 / 0.140
G22     183.6          30.0               12.1 +/-    1.68      21.2 +/-    1.68  0.040 / 0.040
G23     345.3          70.5               10.7 +/-    0.71      11.2 +/-    0.71  0.030 / 0.030
G26     46.7           34.3                9.7 +/-    0.92      15.6 +/-    0.92  0.040 / 0.050
G27     125.7          17.7               14.1 +/-    2.73      32.9 +/-    2.73  0.040 / 0.050