CW Skimmer how to change bandwidth

  • 1
  • Question
  • Updated 3 years ago
HI All

I am just trying to get to grips with cw skimmer, I have it working with my flex 6500 on slice b as that's where I will be using it most to find where DX is listening,

what I cant seem to do in alter the bandwidth that skimmer skims if that makes scene,

if I scroll the band on skimmer I am only seeing about 18khz how can I change this and can I zoom in/out to see more on the available screen size I have, can I also set the skim edges, so i can only skim a pile up for example,

Thanks
Trevor
EI2GLB
Photo of Trevor-EI2GLB

Trevor-EI2GLB

  • 54 Posts
  • 0 Reply Likes

Posted 3 years ago

  • 1
Photo of Jim Gilliam

Jim Gilliam

  • 839 Posts
  • 172 Reply Likes
Why don't you adjust the bandwidth of your 6500?
Photo of Trevor-EI2GLB

Trevor-EI2GLB

  • 54 Posts
  • 0 Reply Likes
Makes no difference in CW Skimmer

Thanks
Trevor
Photo of Al / NN4ZZ

Al / NN4ZZ

  • 1706 Posts
  • 580 Reply Likes
Hi Trevor,
What you are seeing is normal.  Using SDR-Bridge you can run up to 4 skimmers so that may be something that you could try as a workaround. 

There is an idea to integrate CW skimmer with SSDR.  If that ever happens the spots would be lined up with the panadapter.  And the bandwidth of the spots displayed would change as you zoom the panadapter in or out.

https://community.flexradio.com/flexradio/topics/pfskimer_what_is_the_possibility_for_a_smartsdr_dis...

Regards, Al / NN4ZZ  
al (at) nn4zz (dot) com
6700 - HW.................... V 1.6.21.77
SSDR / DAX / CAT...... V 1.6.21.159
Win10
Photo of Trevor-EI2GLB

Trevor-EI2GLB

  • 54 Posts
  • 0 Reply Likes
Thanks Al

I have a lot of reading/Learning to do

Thanks
Trevor
EI2GLB
Photo of Alex - DH2ID

Alex - DH2ID, Elmer

  • 891 Posts
  • 166 Reply Likes
Trevor, just set your bandwidth to match your DAX I/Q bandwidth. I use 96k, as this is more than enough. And no, you can't view the whole 96k, although it is decoded.
73, Alex - DH2ID
Photo of Alex - DH2ID

Alex - DH2ID, Elmer

  • 891 Posts
  • 166 Reply Likes
Trevor, it's all in the quickstart and troubleshooting guide by Al NN4ZZ.
url here: http://www.qrv.com/sdrbridge.html
73, Alex - DH2ID
Photo of Trevor-EI2GLB

Trevor-EI2GLB

  • 54 Posts
  • 0 Reply Likes
Thanks Alex but that doesn't cover my question and the guide is for v1.0 beta the current v1.5 is very different, I'll try getting help from the author of CW Skimmer,

Thanks
Trevor
EI2GLB
Photo of Al / NN4ZZ

Al / NN4ZZ

  • 1706 Posts
  • 580 Reply Likes
Hi Trevor,
The quickstart guide is for the latest version of SDR-Bridge and was updated in February.

http://www.qrv.com/download/NN4ZZ%20CwSkimmer%20Bridge%20setup%2018-Feb-2016.pdf

Regards, Al / NN4ZZ  
al (at) nn4zz (dot) com
6700 - HW.................... V 1.6.21.77
SSDR / DAX / CAT...... V 1.6.21.159
Win10
Photo of Trevor-EI2GLB

Trevor-EI2GLB

  • 54 Posts
  • 0 Reply Likes
Thanks Al not sure what I was looking at last night, I still can't see how to alter what I can see in CW Skimmer, also I'm not getting as clean as a decode as in the guide, I have loads of yellow dots on traces bit its not showing call signs
Photo of Al / NN4ZZ

Al / NN4ZZ

  • 1706 Posts
  • 580 Reply Likes
Trevor,
Decode can be poor depending on the quality of the CW, sometimes very good, other times not so good.  Compared to other programs I've seen CWS does a good job.

Yellow dots & no callsigns -- see page 22 in the guide.  This might be the issue.

Also check to see if you have "verified calls" set instead of "All Calls."




Regards, Al / NN4ZZ  
al (at) nn4zz (dot) com
6700 - HW.................... V 1.6.21.77
SSDR / DAX / CAT...... V 1.6.21.159
Win10
(Edited)