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                3.8 +/-    1.09       4.1 +/-    1.09  0.110 / 0.370
G09     305.3          20.9                4.4 +/-    2.79       9.5 +/-    2.79  0.090 / 0.320
G14     100.9          15.9                4.0 +/-    1.15       9.7 +/-    1.15  0.050 / 0.060
G16     116.1          61.2                6.5 +/-    0.47       7.3 +/-    0.47  0.040 / 0.050
G22     189.6          50.1                4.4 +/-    2.66       5.5 +/-    2.66  0.050 / 0.080
G23     324.7          54.5                4.4 +/-    0.77       5.3 +/-    0.77  0.040 / 0.050
G26     62.6           48.3                3.3 +/-    0.48       4.3 +/-    0.48  0.040 / 0.050
G31     54.5           15.3                4.5 +/-    1.60      11.0 +/-    1.60  0.040 / 0.050