[Elecraft] Skimmer and the K3S

[Kevin]

Should read... Having them on most assuredly will.


On 9/3/2016 9:39 AM, Kevin wrote:
> Bill,
>
> As has been said by others in this thread...any bandwidth limitations 
> you get while running Skimmer are because that's the way the developer 
> of Skimmer wanted it or was required to have it. LP-Pan display 
> bandwidth is dictated by nothing other than the bandwidth of you sound 
> card and the software you run to view it. If you're seeing images on 
> the spectrum, again, that's a software thing. I'm sure all the SDR 
> software out there have procedures to null those out.  It would be the 
> same if you went the more expensive SDR's They are all single 
> conversion receivers and will generate images.
>
> If you were so inclines you could buy a KX3 and use it. Same basic 
> architecture as the high prices SDR's like QS1R and Perseus, RX I/Q 
> output straight to the computer. Skimmer would still be limited to + 
> or - 22KHz and there would still be images that needed nulling via the 
> SDR software.
>
> You have a Zonar 5, good card, 192KHz bandwidth. Using it's big 
> brother the U7 (same specs) I get right around 95KHz either side of my 
> VFO frequency on the spectrum display. I can plant my VFO on 14.060 
> and see the entire CW segment with out touching a thing. I choose not 
> to limit myself by using Skimmer. Crank the displayed bandwidth down 
> to + or - 5KHz on a DX pileup and it's magical. I can see where the 
> last caller was/is in the pileup and can see which way the DX is 
> working the pile, up or down, and put my signal in the right spot for 
> a call. It's like shooting fish in a barrel.
>
> As for the conflict between LP-Bridge and Router, it's to be expected. 
> Two applications which do more or less the same thing fighting over 
> control of serial ports. I doubt seriously having both installed on 
> the computer at the same time causes any conflict for either. Using 
> them at the same time most assuredly will.
>
>
>> [pjd] Yes, this was all done when I bought the LP-PAN and Skimmer. It IS
>> working as best it can, but it cannot do what I need it to do, and 
>> that's
>> why I'm posting here--unless I've completely misunderstood the LP-PAN
>> limitations. That device seems to only allow me to see something like 
>> 22 kHz
>> on either side of my tuned frequency. If I'm working at 14.022, that's
>> great. I can see 14.000 to 12.044. If I'm S&Ping at 14.095 I'm kinda 
>> hosed.
>>
>> I reiterate, I need to be able to see then entire CW sub-band (or as 
>> much as
>> possible), from 14.000 to 14.100 at least. I'd be good with a 96 kHz 
>> spread
>> (14.0-14.096), INDEPENDENT of where my 2nd VFO is tuned. I do not 
>> believe
>> LP-PAN can achieve this desired goal, but again, I could be mistaken.
>>
>>   >>Note carefully, you do not have to run NaP3 or other panadapter
>> applications - CW Skimmer is independent of those.
>> [pjd] That's good, because I don't' want to run any of those. I just 
>> want
>> the decoded calls to show up on my bandmap.
>>
>>
>

-- 
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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