[Elecraft] KX3 IQ using NaP3

[Al Sather]

On 24/12/2013 2:04 PM, Jeff Herr wrote:

You are the second person to suggest this unit. I feel I getting ganged 
up on! My E-Mu 0204 modem (brain fusion) is really a usb sound card, and 
I can lift the grounds on it, to break ground loops, but this did not 
help. So, I think I answered my question, before I asked it. So, for 
$10, or so, what can I lose. I will give it a try...

Getting this to work properly and consistently is getting frustrating.

Tnx for the advice,
73, Al ve7ear

> hmm the version i have is 2.4.0
==============================
ver 2.6 has been released at

panadapter.com

==============================

>
> i didnt do too well either until i put in a iso
> xformer......www.pac-audio.com  sni-1/3.5
> its a two chan item (which some folks dont understand is required...they
> think a mono sigalink will work!)
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Al Sather
> Sent: Monday, December 23, 2013 9:09 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] KX3 IQ using NaP3
>
> Greetings All
>
> I am trying to set up my KX3 to produce a band scope/waterfall display using
> NaP3 (v2.2.4.3).
>
> My system includes  a laptop running Win 7 Home Premium with a Intel Core i3
> CPU at 1.33 GHz with 4.00 (3.68usable) GB of memory and a 64-bit OS. The
> modem I use is a USB E-Mu 0204 with the ASIO drivers supplied with the E-Mu
> 0204. The ASIO drivers appear to work better than the MME drivers.
>
> I have 3 questions--
>
> 1. Do I need to set up frequency or global offsets.?
>       I cannot find any reference in the KX3 manual or Fred's wonderful
> little book. My experience is that NaP3 appears to ignore offset values for
> the KX3.
>
> 2. Do I need to worry about the balance between the I and Q channels.
>       My under standing is NaP3 does that, using WBIR. Furthmore, when I play
> with the input levels on the E-Mu 2040, the display reacts, and then returns
> to where it was.
>
> 3.  How does WBIR work?
>      I am not convinced that I understand how to set up WBIR, and whether or
> not it is actually working for me. My displays is full of images and other
> noise, and the strong stations that I know are there are not visible.
>
> A couple of observations--
> I use commercial AM radio stations  (730, 980 and 1040 KHz) to do the
> training, but I have problems ridding the display of images. Also, I cannot
> see the AM stations on the band scope (perhaps I can on the waterfall, but I
> suspect it is mostly my imagination). But, when I click on the frequency, it
> centres and I can see the station, but not other stations. This is often
> true on SSB, as well.
>
> My real success occurred when I left my station on while I went for lunch
> and did not get back to it for a couple or so hours. Most of the images were
> gone, even when I switched to 80M SSB. Also stations started appear on both
> the scope and waterfall.  I have not been able to repeat this success. So,
> it does not appear that NaP3 had not saved WBIR adaption. When I started up
> my system the following day, I was back to my issues.
>
> I am looking for suggestions as to how to properly setup this system. I know
> it is possible, since I did it once.
>
> Best of the Seasons to all
> 73 Al, ve7ear
>
>
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