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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