PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-20:12:50
G01     250.0          37.3               11.5 +/-    1.16      17.5 +/-    1.16  0.030 / 0.040
G03     316.7          40.2               10.3 +/-    0.55      14.9 +/-    0.55  0.050 / 0.040
G11     243.3          12.6               10.2 +/-    1.82      26.8 +/-    1.82  0.050 / 0.080
G14     53.6           45.7                9.4 +/-    1.32      12.5 +/-    1.32  0.040 / 0.080
G22     307.5          62.9                9.1 +/-    0.67      10.1 +/-    0.67  0.140 / 0.400
G23     284.7          17.7               12.3 +/-    1.04      28.5 +/-    1.04  0.110 / 0.340
G25     41.8           10.9                8.1 +/-    5.10      22.3 +/-    5.10  0.060 / 0.090
G26     138.9          36.0               10.7 +/-    0.86      16.6 +/-    0.86  0.070 / 0.080
G31     42.6           61.4                8.9 +/-    1.04       9.9 +/-    1.04  0.180 / 0.190
G32     75.7           22.8                9.2 +/-    1.26      18.8 +/-    1.26  0.090 / 0.170