PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-23:57:30
G01     227.0          18.0               10.2 +/-    2.93      23.6 +/-    2.93  0.040 / 0.040
G03     291.5          66.3                4.6 +/-    1.63       4.9 +/-    1.63  0.040 / 0.040
G14     85.6           24.6                7.5 +/-    1.05      14.9 +/-    1.05  0.140 / 0.330
G16     147.3          43.8                9.6 +/-    0.90      13.1 +/-    0.90  0.180 / 0.390
G22     222.7          71.6                7.9 +/-    0.51       8.2 +/-    0.51  0.080 / 0.190
G23     305.4          34.8                7.5 +/-    0.67      11.9 +/-    0.67  0.090 / 0.190
G26     101.5          54.2                7.0 +/-    0.74       8.4 +/-    0.74  0.050 / 0.110
G31     44.3           35.2                5.1 +/-    0.61       8.0 +/-    0.61  0.080 / 0.120