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[aprssig] digipeater query

Stan - N0YXV n0yxv at gihams.org
Sat Feb 4 16:13:06 UTC 2006


Radio Shack had both the 1:1 and the 1000:8? Are they actually listed as 1:1 
and 1000:8? If you have them handy can you publish a part number for them? I'm 
sure that _some_ of the Radio Shacks I've been to won't know what a 1:1 
transformer is, so a part number would be handy.

Quoting Jason Winningham <jdw at eng.uah.edu>:

> 
> On Feb 3, 2006, at 10:26 PM, w0ep wrote:
> 
> > Any comments?
> 
> I had consistently bad luck with any sound card interface (decoded  
> maybe 1 packet out of 1000) until I found a web page that said you  
> should use a 1:1 transformer for "data" port audio output, but you  
> should use a 1000:8 transformer for feeding speaker output to a sound  
> card interface.  After I picked up one of these at Radio Shack I  
> immediately started decoding packets nearly as well as my D7.  This  
> probably isn't your problem, but if you're thinking about buying a  
> new transformer it's something to think about.







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