PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-11:57:50
G03     229.1          66.2                5.1 +/-    0.83       5.5 +/-    0.83  0.100 / 0.270
G09     305.3          20.9                3.5 +/-    2.40       7.5 +/-    2.40  0.110 / 0.240
G14     100.9          15.9                4.9 +/-    1.68      12.0 +/-    1.68  0.040 / 0.050
G16     116.1          61.2                7.2 +/-    0.38       8.1 +/-    0.38  0.050 / 0.050
G22     189.6          50.1                6.3 +/-    0.68       8.0 +/-    0.68  0.040 / 0.040
G23     324.7          54.5                5.1 +/-    0.74       6.1 +/-    0.74  0.040 / 0.040
G26     62.6           48.3                5.1 +/-    0.71       6.6 +/-    0.71  0.040 / 0.040
G31     54.5           15.3                4.7 +/-    4.05      11.5 +/-    4.05  0.050 / 0.120