PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-19:42:30
G07     312.9          50.8               10.8 +/-    1.08      13.5 +/-    1.08  0.050 / 0.070
G08     123.9          41.9               13.7 +/-    0.87      19.4 +/-    0.87  0.060 / 0.080
G09     300.1          79.4                9.6 +/-    0.76       9.8 +/-    0.76  0.090 / 0.190
G16     42.1           27.7                7.7 +/-    1.38      14.2 +/-    1.38  0.080 / 0.180
G23     145.8          63.9               12.6 +/-    0.56      13.9 +/-    0.56  0.050 / 0.050
G27     80.5           38.0               11.2 +/-    0.51      16.8 +/-    0.51  0.040 / 0.050
G30     286.9          23.0               11.7 +/-    1.02      24.0 +/-    1.02  0.040 / 0.060