PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-22:12:30
G03     230.9          66.2                6.9 +/-    1.20       7.4 +/-    1.20  0.050 / 0.060
G07     250.5          10.2               -8.4 +/-   11.38     -23.4 +/-   11.38  0.040 / 0.060
G09     307.5          26.2                6.5 +/-    1.86      12.3 +/-    1.86  0.050 / 0.050
G14     101.3          15.3                8.9 +/-    1.60      22.0 +/-    1.60  0.040 / 0.050
G16     113.5          60.8                9.3 +/-    1.02      10.5 +/-    1.02  0.140 / 0.280
G22     194.8          51.2               10.8 +/-    1.88      13.4 +/-    1.88  0.110 / 0.360
G23     322.3          52.2                8.9 +/-    1.42      10.9 +/-    1.42  0.120 / 0.300
G26     63.4           49.2                5.2 +/-    0.46       6.7 +/-    0.46  0.040 / 0.040
G31     54.6           16.4                5.4 +/-    1.31      13.0 +/-    1.31  0.030 / 0.040