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Coaxial Cable Data

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Coaxial Cable Loss in db per 100ft.

Frequency in Mhz
Coax Style
100 200 300 400 500 600 700 800 900 1000 O.D. Shield Notes
Andrews LDF6-50 (1-1/4") 0.28 0.40 0.49 0.58 0.65 0.72 0.79 0.85 0.91 0.97      
Andrews LDF5-50A (7/8") 0.37 0.54 0.66 0.78 0.88 0.97 1.07 1.15 1.23 1.31      
Andrews LDF4-50A (1/2") 0.68 0.98 1.20 1.42 1.59 1.75 1.92 2.06 2.20 2.34      
Andrews LDF2-50 (3/8") 1.05 1.50 1.83 2.16 2.42 2.67 2.93 3.12 3.31 3.50      
Andrews FSJ4-50B (1/2" Superflex) 1.05 1.50 1.84 2.18 2.44 2.69 2.95 3.16 3.37 3.58      
Belden 9913 (RG-8 type) 1.30 1.80 2.25 2.70 3.00 3.30 3.60 3.90 4.20 4.50 0.405 100.00% braid shield over foil shield
Belden 9914 (RG-8/U type) 1.60 2.40 2.95 3.50 4.00 4.50 5.00 5.35 5.70 6.00 0.403 100.00% braid shield over foil shield
Andrews FSJ1-50 (1/4" Superflex) 1.85 2.68 3.30 3.92 4.40 4.89 5.37 5.78 6.18 6.59      
Belden 8214 (RG-8/U type) 1.80 2.70 3.45 4.20 4.73 5.27 5.80 6.25 6.70 7.10 0.403 97.00%  
Belden 8267 (RG-213/U type) 1.90 2.70 3.40 4.10 4.90 5.70 6.50 7.05 7.60 8.00 0.405 97.00%  
Belden 8268 (RG-214/U type) 1.90 2.70 3.40 4.10 4.90 5.70 6.50 7.05 7.60 8.00 0.425 97.00% double silver shield
Belden 8242 (RG-9/U type) 2.10 3.00 3.90 4.80 5.37 5.93 6.50 7.05 7.60 8.20 0.42 98.00% silver inner double shield
Belden 9258 (RG-8/X type) 3.70 5.40 6.70 8.00 9.03 10.07 11.10 11.95 12.80 13.50 0.242 95.00%  
Belden 84142 (RG-142 type) 3.90 5.60 6.90 8.20 9.13 10.07 11.00 11.75 12.50 13.50 0.195 98.00% brown FEP jacket - double silver shield
Belden 9273 (RG-223/U type) 4.10 6.00 7.40 8.80 9.87 10.93 12.00 12.90 13.80 14.50 0.212 95.00% double silver shield
Belden 8240 (RG-58/U type) 4.50 6.80 8.40 10.00 11.33 12.67 14.00 15.00 16.00 17.00 0.193 95.00%  
Belden 8259 (RG-58A/U type) 4.90 7.30 9.40 11.50 13.33 15.17 17.00 18.50 20.00 21.50 0.193 95.00%  
Belden 8216 (RG-174/U type) 8.40 12.50 15.75 19.00 21.67 24.33 27.00 29.00 31.00 34.00 0.101 90.00%  

RG-389/U is similar to LDF4-50A but with higher power capacity

center cond. OD .25"
dielectric   OD .635"
overall      OD .875
dielectric   polyethylene spline
shielding    2, silvered copper
weight       0.366 lbs./ft.
voltage RMS  2,000
loss dB/100'        1.5 @ 400mhz,   2.5 @ 1 gHz

 

Courtesy of KE6UUT's Ham Radio Page
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