ham radio coax feed line loss

 
 
 

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Feed Line Loss in db per 100 foot
These values are approximate for comparison purpose. Foam dielectric types usually will have slightly lower loss. Loss will also vary with different samples and will vary with age. HL=hard line LL=ladder line
Type 3 Mhz 7 Mhz 28 Mhz 144 Mhz 440 Mhz
           
RG-174 2.25 4.75 6 15+  
RG-58 .6 1 2.4 6 11
RG-59 .5 .8 1.6 3.5 5.5
RG-8 .3 .4 1.2 4 5.8
9913 .22 .35 .75 1.3 2.6
1/2 HL .1 .17 .4 1 1.75
7/8 HL   .1 .25 .7 1.25
LL     .15 .38  
LL#12     .1 .25  
           
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