PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-23:57:30
G03     232.7          66.6                5.0 +/-    0.73       5.4 +/-    0.73  0.050 / 0.060
G09     306.6          24.3                3.3 +/-    1.67       6.6 +/-    1.67  0.050 / 0.050
G14     100.7          16.0                5.3 +/-    1.68      12.8 +/-    1.68  0.110 / 0.340
G16     114.7          60.6                7.7 +/-    0.72       8.7 +/-    0.72  0.120 / 0.320
G22     195.8          52.3                7.5 +/-    0.68       9.2 +/-    0.68  0.040 / 0.030
G23     322.2          52.1                4.9 +/-    0.75       6.0 +/-    0.75  0.040 / 0.030
G26     63.8           49.2                4.1 +/-    1.12       5.2 +/-    1.12  0.050 / 0.050
G31     54.5           16.2                3.2 +/-    1.16       7.8 +/-    1.16  0.050 / 0.060