[Elecraft] IF out of 2nd Receiver in K3?

Thu Jan 29 09:05:19 EST 2015

Guys,

Before trashing this,  one actually needs to use it as I have for years.

I've used it with the ROCKY (free) panadapter program and SKIMMER ($75) 
cw decode program.  You do need an SDR and available sound card to use them.

ROCKY is a bare bones spectrum display.   It can be sized and easily fit 
on your computer display along witht logging programs which don't hog 
the entire display.   This is where a panadapter diisplay ought to be 
IMHO.  The frequency scale is relative in KHz.   It is not the rigs 
frequency.   There are no bells and whistles like point and click.   
Despite these short commings it is perfectly adequate for busting 
pileups.   You simply tune the subrx to the blip that you think the DX 
is working and ID it by ear.    There is no concern about offsets et 
al.    It is simplicity and works great.  Only occasionally have I 
wished for a bit more.  A bit more turns out to be SKIMMER.

The next step up is SKIMMER.   It has rig control and displays a true 
frequency scale.  While you could probably use the display on phone,  
its main purpose is to decode all the CW signals within its 24KHz decode 
window.   There is point and click and spotting of decoded signals.   It 
provides a band map and also a tabulation of calls decoded that can be 
displayed sorted alphabetically. There also exists a program that moves 
the 24 KHz window around with user set dwell times.   SKIMMER is 
excellent for contests and busting very difficult CW pileups -- if you 
can hear most of the calling stations.  For CW contests it is in 
invisible second op spot generator that nicely feeds N1MM and other 
contest programs. These spots are high value spots in that you're 
actually hearing them.

While none of this approaches the P3's sophistication.   I have found it 
to be perfectly adequate.   I'm not influenced by how sexy the display 
is or a bunch of bells and whistles.  KISS is what I'm happy with.

Try it, you may like it.

I'm just a satisfied user I have in pecuniary interests in either program.

73 de Brian/K3KO

On 1/28/2015 10:36 PM, Tom Blahovici wrote:
> Harry,
> While its a nice idea there are a couple of commands missing in the api to allow this to be done properly. If all you are interested is seeing the spectrum and doing qsys it probably is possible. But to do the job semi-correctly you would need some customized code to do so.
> Tom
> va2fsq.com
>
> On Jan 28, 2015 10:10 PM, Harry Yingst via Elecraft <elecraft at mailman.qth.net> wrote:
>> Thank you
>> I already have the Clifton labs Buffer amp and a softrock lite that I was got a while ago.
>> It would be interesting if a Second P3 could be hooked up,I suspect it would have to be coded for the P3 to know what VFO  it is looking at.
>> I'll have to look into if someone already has written a NaP3 type program that supports 2 Receivers(I only played with that program briefly and found it to be nice)
>>
>>        From: Mike Harris <mike.harris at horizon.co.fk>
>> To: elecraft at mailman.qth.net
>> Sent: Wednesday, January 28, 2015 6:36 PM
>> Subject: Re: [Elecraft] IF out of 2nd Receiver in K3?
>>     
>> See PVRC (Potomac Valley Radio Club) Newsletter June 2012.
>>
>> Regards,
>>
>> Mike VP8NO
>>
>> On 28/01/2015 18:20, Harry Yingst via Elecraft wrote:
>>> That would be nice
>>> You could run two P3s
>>>
>>>
>>>
>>>          From: Doug Ellmore <doug at ellmore.net>
>>>    To: elecraft at mailman.qth.net
>>>    Sent: Wednesday, January 28, 2015 1:39 PM
>>>    Subject: [Elecraft] IF out of 2nd Receiver in K3?
>>>
>>> Is there a way to get the IF out of the optional 2nd receiver of a K3?
>>>
>>> In addition to looking at two different bands in HF, I am thinking it would
>>> be great to be able to look at both 6m and 2m for field day with one K3.
>>>
>>>
>>> Doug NA1DX
>>> na1dx at arrl.net
>>> www.ellmore.net/na1dx
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