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DB-224B Harness Replacement

I

iceman977th

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Dec 25, 2009
Messages
398
Location
Catlettsburg, KY
First.. I do have the official documentation from Decibel with the specs for the harness for the DB224 using 35ohm and 75ohm cable. Let me go ahead and get that out of the way..

I have two DB224B's that were given to me with bad harnesses. I'm looking to fix them up and use them for railroad scanner feeds. Debating between turning them into four DB222's or back into DB224's, not sure which way I'll go yet. Is there a "lazy way" to make harnesses for them? I have RG-11 for days from work, and have some LMR400 laying around. These won't ever be used on repeater service, receive only. I swear I had seen documentation somewhere about using 75ohm from the element to a tee, then 50ohm from there out, but I can't remember where I found it.
 
prcguy

prcguy

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Jun 30, 2006
Messages
16,267
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So Cal - Richardson, TX - Tewksbury, MA
I've made good working phasing harnesses out of RG-6 and RG-11. I would first connect one dipole to an antenna analyzer and see how it matches to 50 ohms. If good then a simple phasing harness made of 1/4 wave multiples with velocity factor should work fine.
 
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