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Re: [RTTY] RTTY Skimmer - DF4UE

To: rtty@contesting.com
Subject: Re: [RTTY] RTTY Skimmer - DF4UE
From: Pete Smith N4ZR <n4zr@contesting.com>
Date: Wed, 23 Mar 2016 17:44:21 -0400
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
Another issue which I've discovered since my previous message is that DF4UE is running DL4RCK's scanning decoder software - called the RCK Skimmer. This may be in addition to or in place of RTTY Skimserv, which only decodes RTTY. I can't vouch for how good RCK Skimmer is at differentiating CQers and callers.

I see that he has gone to normal validation for CW now, per our recommendation, and is not currently spotting digital modes. He's a good guy and a steady RBN contributor, so I'm confident that he will work to solve these problems.

73, Pete N4ZR
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On 3/23/2016 2:01 PM, pcooper wrote:
Pete and the group,

Agreed, the DF4UE skimmer has loads of partial/wrong calls listed every few 
minutes.
I've just had a look at his recent postings, and they contain numerous partials 
and totally wrong calls, let alone the ones responding to FH/F2DX on 12m RTTY 
earlier today.

It would be interesting to note whether he takes your advice, and whether you 
get a response from him.

Our local skimmer is making use of several other skimmers, most of which are 
OK, but I not that N2QT and KM3T both frequently spot me when I am responding 
to a CQ call.

I'm running Spotcollector from DXLab Suite by AA6YQ, and I have two windows 
open, one for the normal cluster, and one for the skimmer cluster, so I can see 
when I am spotted on either.
I keep the skimmer cluster going to watch for that first activity from rare DX, 
and it has served me well.
I was lucky to get K1N on 10m RTTY, simply because I was in the right place at 
the right time, and got them before anyone else came on frequency.
But, I was also spotted by several other skimmer clusters as being on 10m RTTY 
at the same time.

Having said that, I wouldn't want to be without access to a skimmer cluster, 
except I just don't find it that useful in a contest.

73 de Phil GU0SUP
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