Right I understand that part I only use the phones connection for digital modes 
may try an isolator thanks.

Sent from my iPad

On Jan 11, 2013, at 7:17 PM, "Don Wilhelm-4 [via Elecraft]" 
<ml-node+s365791n7568570...@n2.nabble.com> wrote:

> Tabb, 
> 
> You may have to use isolation transformers (galvanic isolators) in the I 
> and Q lines between the KX3 and the soundcard. 
> The I and Q outputs are not at a high enough level for use on digital 
> modes, the headphone output is usually necessary to adequately 
> illuminate a waterfall display. 
> 
> 73, 
> Don W3FPR 
> 
> On 1/11/2013 7:10 PM, W9TTW Tabb Adams wrote: 
> > Right I just have the RX IQ plugged into the sound card not both, strange 
> > that I don't have problem when I am just using it for digital modes. Just 
> > got another email that another ham was having the same problem. 
> > 
> > 
> 
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