PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/20-23:57:50
G01     312.3          30.0                8.9 +/-    1.33      15.7 +/-    1.33  0.120 / 0.120
G10     98.0           43.4                9.4 +/-    0.91      13.0 +/-    0.91  0.090 / 0.110
G11     291.8          25.9                7.7 +/-    1.92      14.7 +/-    1.92  0.050 / 0.040
G14     329.1          70.1                7.9 +/-    1.16       8.3 +/-    1.16  0.040 / 0.050
G18     288.7          48.4                2.1 +/-    7.68       2.7 +/-    7.68  0.080 / 0.070
G20     116.0          18.5                8.2 +/-    2.80      18.8 +/-    2.80  0.060 / 0.080
G22     306.8          18.3                8.2 +/-    1.87      18.7 +/-    1.87  0.180 / 0.300
G25     90.7           13.6                8.9 +/-    3.28      23.0 +/-    3.28  0.170 / 0.320
G31     169.3          57.4               10.0 +/-    0.48      11.7 +/-    0.48  0.110 / 0.210
G32     28.0           57.8                7.5 +/-    0.79       8.6 +/-    0.79  0.130 / 0.160