PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-21:42:40
G03     259.4          70.0                8.9 +/-    0.49       9.4 +/-    0.49  0.040 / 0.050
G09     301.8          19.0                9.0 +/-    1.77      20.3 +/-    1.77  0.030 / 0.050
G14     93.2           21.4                8.2 +/-    1.32      17.4 +/-    1.32  0.140 / 0.350
G16     131.7          54.4               10.4 +/-    1.10      12.5 +/-    1.10  0.130 / 0.300
G22     202.6          61.2               11.3 +/-    0.62      12.7 +/-    0.62  0.040 / 0.080
G23     314.8          44.5                7.8 +/-    2.19      10.6 +/-    2.19  0.040 / 0.060
G26     78.6           53.6                6.0 +/-    0.78       7.2 +/-    0.78  0.030 / 0.030
G31     49.7           24.0                5.6 +/-    1.12      11.2 +/-    1.12  0.040 / 0.040