PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-00:58:00
G03     222.7          62.7                8.5 +/-    1.53       9.4 +/-    1.53  0.040 / 0.050
G07     253.4          12.6                7.6 +/-    1.60      20.0 +/-    1.60  0.040 / 0.050
G09     307.8          24.0                5.3 +/-    1.77      10.6 +/-    1.77  0.270 / 0.280
G16     120.9          64.0                8.7 +/-    0.47       9.5 +/-    0.47  0.280 / 0.220
G22     191.5          48.0                9.2 +/-    1.37      11.9 +/-    1.37  0.220 / 0.210
G23     324.6          54.5                6.4 +/-    0.87       7.6 +/-    0.87  0.220 / 0.220
G26     60.9           49.5                5.5 +/-    0.75       7.0 +/-    0.75  0.040 / 0.030
G31     55.6           16.2                3.1 +/-    2.74       7.4 +/-    2.74  0.030 / 0.030