PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-16:12:50
G01     248.1          33.7               10.0 +/-    1.36      16.2 +/-    1.36  0.050 / 0.040
G03     314.8          51.1                7.0 +/-    0.95       8.7 +/-    0.95  0.040 / 0.030
G11     237.7          11.2                7.8 +/-   17.59      21.1 +/-   17.59  0.060 / 0.080
G14     61.6           40.9                5.5 +/-    1.54       7.9 +/-    1.54  0.050 / 0.100
G16     161.5          21.1               -1.9 +/-   15.51      -4.0 +/-   15.51  0.030 / 0.040
G22     297.5          71.2                6.8 +/-    0.61       7.1 +/-    0.61  0.040 / 0.040
G23     289.8          23.1                7.7 +/-    1.90      15.7 +/-    1.90  0.110 / 0.200
G31     40.7           54.2                7.4 +/-    0.59       8.9 +/-    0.59  0.120 / 0.260
G32     80.3           20.2                8.5 +/-    1.94      18.7 +/-    1.94  0.080 / 0.100