PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-23:42:30
G03     231.2          66.2                6.3 +/-    0.93       6.8 +/-    0.93  0.040 / 0.060
G07     250.7          10.5               -3.2 +/-   24.02      -8.7 +/-   24.02  0.040 / 0.060
G09     307.0          25.0                6.7 +/-    1.94      13.2 +/-    1.94  0.120 / 0.380
G14     101.1          15.8                7.1 +/-    1.59      17.2 +/-    1.59  0.100 / 0.360
G16     113.3          60.9                8.6 +/-    1.24       9.7 +/-    1.24  0.050 / 0.050
G22     195.3          51.6               10.3 +/-    0.97      12.7 +/-    0.97  0.040 / 0.060
G23     322.6          52.6                8.0 +/-    1.06       9.8 +/-    1.06  0.040 / 0.050
G26     63.1           48.9                5.0 +/-    0.86       6.4 +/-    0.86  0.040 / 0.050
G31     54.8           15.8                4.3 +/-    1.63      10.4 +/-    1.63  0.040 / 0.040