[Elecraft] KX3 and Rocky 3.7

[Don Wilhelm]

Ken,

Are you getting a signal to the soundcard from both the I and Q 
channels?  What you are seeing is normal of only one channel is fed to 
the soundcard.

In other words, check your cables.  Plug in the left channel only into 
the soundcard and see if you have a signal present, then do the same 
with the right channel.

It may be a cabling problem, or your sound adapter may have only mono 
input.  Many external soundcards have mono input when the mic input is 
selected, but may (or may not) when the Line In is selected - I/Q 
decoding requires stereo soundcard input - if the input is mono, you 
will see exactly the condition you report.

73,
Don W3FPR

On 6/24/2013 9:32 PM, Kenneth A Christiansen wrote:
> I am trying to get Rocky 3.7 to work with my KX3 similar to the display of the P3 and my K3. I have Rocky 3.7 running on my laptop computer and Windows 8. Rx I/Q is turned on in the menu of the KX3 and the cable supplied by Elecraft is running to my Creative model SB1100 USB sound adapter. My sound adapter is several years old so may not be the same as the new ones listed on the Internet.
>
> Rocky Soundcard info
> INPUT
>   Device 04 SBX-FiGo!
>   wFormatTag WAVE_FORMAT_PCM
>   nChannels 2
>   nSamplesPerSec: 48000
>   nAvgBytesPerSec: 19200
>   nBlockAlign: 4
>   wBitsPerSample: 16
>   cbSize: 0
>   wValidBitsPerSample: 0
>   dwChannelMask: 0
>   SubFormat: (00000000-0000-0000-0000-000000000000)
>
> I did not include the OUTPUT data as I am not using the transmit part
>
> My problem is I get two spikes for every signal. One is the correct one but an equal sized spike is shown on the opposite side of the screen. I do not think this is normal as I don't think other hams would want a display with that problem.
>
> I have tried Rocky - View - Settings
>   Left/Right = I/Q
>   Left/Right = Q/I
>   Shift Right Channel Data by
>   -8,-7,-6,-5,-4,-3,-2,-1,0,+1,+2,+3,+4,+5,+6,+7,+8
>
> I don't know what else to try and I do wonder if the
> USB sound card uses stereo for the microphone but I have not been able to find that information on the Internet.
>
> I would appreciate any help. I feel it is so close to working but not working right.
>
> Ken W0CZ  w0cz at i29.net
>
> Sent from my iPad
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