[Fourlanders] CW skimmer

Jim Worsham wa4kxy at bellsouth.net
Sat Jun 21 22:22:11 EDT 2008


Not to be outdone by the CW Skimmer check out K1JT's latest creation, MAP65:

http://physics.princeton.edu/pulsar/K1JT/MAP65.pdf

Just remember Bob, you still need to turn the antenna, call CQ, etc.  We
still have a way to go before you have a completely automated Q.  I will
admit that the day that will be possible is approaching quickly.  When that
happens I will build my completely automated 160 meters through 10 GHz
station and retire to sit and watch the Qs unfold.  Of course, one then has
to ask why use radio?  It would then be possible to create a virtual ham
radio world similar to the many virtual worlds being created on the internet
for gaming, social networking, etc.  Just imagine, you could do a
statistical model of 6 meters, for example, based on the time of year, day,
etc. and have the band open and close just like it does now.  The HF bands
would be even simpler since ionospheric propagation models are readily
available for those bands.  Wow!  The computer and internet have changed
everything now.

73
Jim, W4KXY

-----Original Message-----
From: fourlanders-bounces at contesting.com
[mailto:fourlanders-bounces at contesting.com] On Behalf Of Bob Lear
Sent: Saturday, June 21, 2008 8:57 PM
To: fourlanders at contesting.com
Subject: [Fourlanders] CW skimmer

I saw this demonstrated at the QCWA meeting today by Mac WB4MAK.

I didn't know this was even possible.  There must have been thirty CW 
signals simultaneously decoded in real time off an SDR-5000.  Of course, 
it could have been anykind of SDR or other radio audio.  It was doing 
all the signals in the display passband simultaneously.  It is 
programmed to copy the call sign of the calling station (CQ de xxxx) and 
display it along with the frequency on a band map that you can then 
click on like the band map in Writelog.  You can actually look at all 
the CW decoded also.  I was amazed.  If I can get this working on the 
microwave station, I'll be able to sleep the entire time we are on the 
mountain and not miss a Q!!!!!!!!!!!!!

Check it out.  Google 'Skimmer Software' and it's the first few that 
come up.

Here is a note about it:
-----------
So What Is The CW Skimmer?
The CW Skimmer is software that was developed by Alex Shovkoplyas 
VE3NEA, the man behind DXAtlas and a number of other ham radio programs.

When tied into a radio properly, the program can basically offer you a 
bandmap full of stations, without being connected to any packet cluster 
site, as it automatically decodes and identifies CW signals (see photo 
below.)

The CW Skimmer program and more can be found at VE3NEA's DX Atlas web site.
--------------

bob W4ZST

Of course, all of you have probably already heard about this long ago 
and are thinking that I just rolled the rock away from my cave 
entrance........
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