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NaP3 and KX3 connection

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K4RHG

NaP3 and KX3 connection

I am trying to install NaP3 for my KX3. In the NaP3's set-up screen, I am
only getting the option of "COM 6" for the I/O Port. This is not
connecting to my KX3 as I believe I need COM 3 based on what I'm seeing in
my computer's Device Manager.

How do I enable more port options in the set-up menu so I can select COM 3?
I've research this in various archives and Google and haven't seen anyone
mention this issue before. I've re-booted my computer several times, have
the right cable from Elecraft, etc. Also, I have set NaP3 to operate in XP
compatability mode, a suggestion I found on one of the help pages I found.
Any suggestions?

73, Ron Gruner
K4RHG
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Giff Hammar

Re: NaP3 and KX3 connection

It depends on what else you're using with the KX3. Roaring star (Google KX3 NAP3 LP Bridge and the Roaring Star site will be near the top) has a really good tutorial about setting up the KX3 with HRD and LP Bridge. It's most likely that the KX3 is using COM3 to talk with some other software.

Basically, you want to use LP Bridge (don't use v2-it's not stable enough) to connect to the KX3. Then, set up one virtual COM port for HRD (or whatever rig control software you're using), one for your logging software (I'm using N1MM logger) and one for NaP3 (or other SDR software). Other SDR apps may use different software in place of LP Bridge. I use the combination described above and it works pretty well.

When you download the LP Bridge software, there is also a fairly detailed write-up about configuring the software and interfacing the sound card to the radio and software. It will probably take a little tweaking, but it's pretty well documented. Start up and shut down is order sensitive: radio first, LP Bridge next, then the other apps in any order. Turn everything off in the reverse order.

73,

Giff / K1GAH
KX3 #3724

Sent from my Verizon Wireless 4G LTE Smartphone

----- Reply message -----
From: "Ron Gruner" <[hidden email]>
To: <[hidden email]>
Subject: [Elecraft] NaP3 and KX3 connection
Date: Sat, Apr 20, 2013 13:28

I am trying to install NaP3 for my KX3. In the NaP3's set-up screen, I am
only getting the option of "COM 6" for the I/O Port. This is not
connecting to my KX3 as I believe I need COM 3 based on what I'm seeing in
my computer's Device Manager.

How do I enable more port options in the set-up menu so I can select COM 3?
I've research this in various archives and Google and haven't seen anyone
mention this issue before. I've re-booted my computer several times, have
the right cable from Elecraft, etc. Also, I have set NaP3 to operate in XP
compatability mode, a suggestion I found on one of the help pages I found.
Any suggestions?

73, Ron Gruner
K4RHG
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Help: http://mailman.qth.net/mmfaq.htm
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Robert-2

Re: NaP3 and KX3 connection

In reply to this post by K4RHG

Ron,

I did a short post on how to get this to work and it may be helpful for you.

Here you go.. http://goo.gl/tJTrv

Robert
K5DTE

On Sat, Apr 20, 2013 at 12:28 PM, Ron Gruner <[hidden email]> wrote:

> I am trying to install NaP3 for my KX3. In the NaP3's set-up screen, I am
> only getting the option of "COM 6" for the I/O Port. This is not
> connecting to my KX3 as I believe I need COM 3 based on what I'm seeing in
> my computer's Device Manager.
>
> How do I enable more port options in the set-up menu so I can select COM 3?
> I've research this in various archives and Google and haven't seen anyone
> mention this issue before. I've re-booted my computer several times, have
> the right cable from Elecraft, etc. Also, I have set NaP3 to operate in XP
> compatability mode, a suggestion I found on one of the help pages I found.
> Any suggestions?
>
> 73, Ron Gruner
> K4RHG
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

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Don Wilhelm-4

Re: NaP3 and KX3 connection

In reply to this post by K4RHG

Ron,

Which Com port is selected when you connect with K3Utility? You should
be able to use the same one with NaP3.
If the port is not detected by NaP3, I would suspect a com port driver
problem rather than NaP3 - it can only report what it receives from the
computer. If it does not receive the expected response when polling for
available ports, NaP3 will assume that the port is either not there or
is not working properly.

73,
Don W3FPR

On 4/20/2013 1:28 PM, Ron Gruner wrote:

K4RHG

Re: NaP3 and KX3 connection

In reply to this post by K4RHG

Don,

Thanks. Good advice. I was mistaken, the KX3 Utility uses COM 6, not COM 3
like I thought. So I got that part working. Now I'm trying to figure out
why both the Utility and NaP3 are only communicating at 4800 baud, instead
of the usual 38400. I have the latest FTDI drivers for the USB Adapter.

On another issues, I was using my notebook's built-in sound card which has
a 48,000 sampling rate at 16 bits. I found the base noise level is much
lower with a Soundblaster sampling at 48,000 and 24 bits. The Soundblaster
can sample at 96,000 rate, but that doesn't seem to be on option on NaP3's
set-up.

Getting there slowly...

73, Ron
----------------------------------------
Ron Gruner
K4RHG

----------------------------------------
From: "Don Wilhelm" <[hidden email]>
Sent: Sunday, April 21, 2013 4:42 PM
To: [hidden email]
Subject: Re: [Elecraft] NaP3 and KX3 connection

Ron,

Which Com port is selected when you connect with K3Utility? You should
be able to use the same one with NaP3.
If the port is not detected by NaP3, I would suspect a com port driver
problem rather than NaP3 - it can only report what it receives from the
computer. If it does not receive the expected response when polling for
available ports, NaP3 will assume that the port is either not there or
is not working properly.

73,
Don W3FPR

On 4/20/2013 1:28 PM, Ron Gruner wrote:
> I am trying to install NaP3 for my KX3. In the NaP3's set-up screen, I
am
> only getting the option of "COM 6" for the I/O Port. This is not
> connecting to my KX3 as I believe I need COM 3 based on what I'm seeing
in
> my computer's Device Manager.
>
> How do I enable more port options in the set-up menu so I can select COM
3?
> I've research this in various archives and Google and haven't seen
anyone
> mention this issue before. I've re-booted my computer several times,
have
> the right cable from Elecraft, etc. Also, I have set NaP3 to operate in
XP
> compatability mode, a suggestion I found on one of the help pages I
found.
> Any suggestions?
>
>

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Help: http://mailman.qth.net/mmfaq.htm
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Don Wilhelm-4

Re: NaP3 and KX3 connection

Ron,

The best source of knowledge for questions about NaP3, Com ports, sound
cards, and other related questions can be found on the LP-Pan Yahoo
group. Larry (N8LP) and others are quite responsive. There is also a
lot of helpful information at Larry's website www.telepostinc.com.

Yes, an add-on high end sound card will normally have a lower noise
floor than the ones built into a computer, even if the other specs are
equal.

73,
Don W3FPR

On 4/21/2013 5:02 PM, Ron Gruner wrote:

> Don,
>
> Thanks. Good advice. I was mistaken, the KX3 Utility uses COM 6, not COM 3
> like I thought. So I got that part working. Now I'm trying to figure out
> why both the Utility and NaP3 are only communicating at 4800 baud, instead
> of the usual 38400. I have the latest FTDI drivers for the USB Adapter.
>
> On another issues, I was using my notebook's built-in sound card which has
> a 48,000 sampling rate at 16 bits. I found the base noise level is much
> lower with a Soundblaster sampling at 48,000 and 24 bits. The Soundblaster
> can sample at 96,000 rate, but that doesn't seem to be on option on NaP3's
> set-up.
>
> Getting there slowly...
>
>