Re: [Repeater-Builder] Re: Diversity RX 2 meters

27 Mar 2004 04:37:43 -0000

Anyone know of any diversity receivers for the 2m band??? I have never heard of any but would love to have one.

James

Laryn Lohman wrote:
Steve, I disagree.  Our Hall voter will regularly vote EASILY 5 
times/second.  We have four receivers and sometimes it will vote to 
all of them within one second.  Yup, it's best to have identical 
receivers, but not absolutely necessary.  Our system has several 
different brands and vintages of receivers and is very difficult to 
hear a change in vote.

I am not familiar with the *diversity receivers*, but one of those 
might work well there too.  Seems they must vote somehow internally.  
You obviously can't just add audio from two receivers together and 
expect that to work right.  Maybe someone on this list could educate 
us on those......?

Laryn K8TVZ


--- In [email protected], "Steve S. Bosshard \(NU5D\)" 
<[EMAIL PROTECTED]> wrote:
  
I don't think a voter is the right answer in this instance, because 
    
the
  
effects, ie, picket fence, and flutter happen faster than a voter 
    
can
  
respond.  Also, you would have to have a second receiver, with the 
    
same
  
audio characteristics as the first, etc.  

Perhaps the better answer would be to look and see how diversity 
    
receivers,
  
that is receivers with two antenna ports work.  A good example 
    
would be a
  
Johnson 8000 repeater station in the 800 Mhz. band designed for 
    
diversity
  
operation.

But, I might be wrong,

Steve
NU5D
    





 
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