[Skimmertalk] NA5NN and CW Skimmer

Bob Wilson, N6TV n6tv at arrl.net
Mon Nov 9 11:46:48 EST 2015

I know that CW Skimmer listens for the pattern 5NN thinking it is part of a
typical contest exchange.  So perhaps this callsign is fooling Skimmer into
thinking that the call being sent was actually giving an exchange on that

K6LL 123 A NA*5NN* 10 MS


Bob, N6TV

On Mon, Nov 9, 2015 at 7:16 AM, Dave Hachadorian <k6ll.dave at gmail.com>

> I noticed during the CW Sweepstakes Contest that a number of different
> call signs were being posted by CW Skimmers on NA5NN's CQ frequency.  These
> were definitely Skimmer posts, and not some kind of inadvertent self-post
> by NA5NN.  I had spotter state filter set to UT, AZ, NV, and CA, and
> various skimmers in these states were making the posts.  I listened to
> NA5NN's macros for a while, and didn't see anything unusual.
> Is there some way to run a retro analysis to see what was going on there,
> or any other thoughts?  Is there something unusual in the dot/dash pattern
> of NA5NN that might confuse a skimmer?
> By the way, the Skimmers generally worked beautifully in SS. Thanks to all
> for all the hard work.
> Dave Hachadorian, K6LL
> Yuma, AZ
> _______________________________________________
> Skimmertalk mailing list
> Skimmertalk at contesting.com
> http://dayton.contesting.com/mailman/listinfo/skimmertalk

More information about the Skimmertalk mailing list