PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-18:13:10
G01     229.5          20.6               10.5 +/-    1.27      22.7 +/-    1.27  0.040 / 0.050
G03     296.1          66.1                8.5 +/-    0.54       9.2 +/-    0.54  0.040 / 0.050
G14     82.5           26.3                8.6 +/-    1.08      16.2 +/-    1.08  0.040 / 0.040
G16     154.0          38.0               12.1 +/-    0.66      18.3 +/-    0.66  0.030 / 0.030
G22     225.5          73.6               10.8 +/-    1.55      11.2 +/-    1.55  0.090 / 0.190
G23     302.8          32.5                9.1 +/-    1.13      15.1 +/-    1.13  0.080 / 0.170
G26     115.7          53.2               10.0 +/-    0.91      12.1 +/-    0.91  0.100 / 0.210
G31     42.5           40.4                8.0 +/-    0.75      11.5 +/-    0.75  0.120 / 0.240
G32     94.5           11.2               10.7 +/-    2.16      29.2 +/-    2.16  0.080 / 0.100