[CQ-Contest] Summarizing the Skimmer Accuracy Thread

[Igor Sokolov]

Try tis one http://rate.pileup.ru/vlog.php?call=6474

73, Igor UA9CDC

P.S. Our 6V7V call was busted 270 time in CQWW CW but the above one is 
really one off...

----- Original Message ----- 
From: "Pete Smith N4ZR" <n4zr at contesting.com>
To: <cq-contest at contesting.com>
Sent: Saturday, February 23, 2013 4:28 AM
Subject: Re: [CQ-Contest] Summarizing the Skimmer Accuracy Thread


> Gee, that's not as bad as I thought it would be, given the number of logs 
> and QSOs in CQWW.  Maybe we contesters are better than we give ourselves 
> credit for!
>
> 73, Pete N4ZR
> Check out the Reverse Beacon Network at
> http://reversebeacon.net,
> blog at reversebeacon.blogspot.com.
> For spots, please go to your favorite
> ARC V6 or VE7CC DX cluster node.
>
> On 2/22/2013 2:28 PM, Valery Petrov wrote:
>> I have just created a simple tool to create virtual logs and play with 
>> busted calls.
>> Based on CQ WW CW 2012 public logs.
>>
>> Enter any call and see how many people have it in their logs.
>>
>> http://rate.pileup.ru/vlog.php?call=EK3LR
>>
>> 73!
>> Valery
>> R5GA
>>
>>
>> 21.02.2013, 05:18, "w5ov at w5ov.com" <w5ov at w5ov.com>:
>>> Add the 20 EK1LZ spots to all the others and it becomes a big problem. 
>>> 20
>>> bad calls each spotted 20 times is 400 bad spots. When you look at the
>>> problem collectively, it becomes more apparent as to the impact.
>>>
>>> If the 20 EK1LZ spots were the only errors, that would not be so bad - I
>>> guess... but that's not the case.
>>>
>>> W5OV
>>>
>>>>   HS0ZCW wrote:  Just so you know, I am breaking my face with a grin at 
>>>> all
>>>>   the bad news re Skimmer...
>>>>
>>>>   Let me combine these two comments from my 1991 ARRL CW experience 
>>>> with
>>>>   over
>>>>   200 QSO worked by robot.  I was #5 at Dayton and twice EU CW 
>>>> simulated
>>>>   pileup champ with about 60% correct calls.  IBM AT with 12 MHz clock 
>>>> using
>>>>   TI DSP board at 30 MHz beat me badly with 80 %.  I got humble and let 
>>>> it
>>>>   run
>>>>   on the air.  No problem apart from the band opening with the ringing
>>>>   signals.  I was better then knowing to EXPECT KC1XX, W3LPL, K3LR and 
>>>> all
>>>>   the
>>>>   other big guns I worked million times.  It was not my ears and CW 
>>>> brain
>>>>   behind it but PRIOR KNOWLEDGE.  My repeated CW robot efforts recently
>>>>   managed Morse Runner in HST mode at 50 wpm and 3K points.  My score 
>>>> was
>>>>   1K7.
>>>>
>>>>   Now I can use master.dta for additional verification on my GHz TB PC.
>>>>   EK3LR
>>>>   is not there but I might miss TO5X, HA30S!
>>>>
>>>>   Beware that we catch Skimmer faults on the callsigns we mainly know 
>>>> but he
>>>>   digs a lot of weak ones we might skip in time/space collision. 
>>>> Skimmer
>>>>   does
>>>>   it 24/7 with accuracy better than 1 %.  Digital modes entered 21st 
>>>> century
>>>>   while hams are in the dark with SSB speech recognition despite 
>>>> limited
>>>>   spelling vocabulary.
>>>>
>>>>   Thanks to Tor, N4OGW for great work on SDR contesting!  ARRL & IARU:
>>>>   Hamradio is the best scientific hobby of 21st century.
>>>>
>>>>   LP MMM S56A
>>>>
>>>>   P.S.  Bob, EK1LZ was spoted only 20 times!  I forgot to check OC 
>>>> Krassy.
>>>>   I
>>>>   am more on numbers than Latin - hi.
>>>>
>>>>   -----Original Message-----
>>>>   From: w5ov at w5ov.com [mailto:w5ov at w5ov.com]
>>>>   Sent: Wednesday, February 20, 2013 10:22 PM
>>>>   To: Marijan Miletic, S56A
>>>>   Cc: cq-contest at contesting.com
>>>>   Subject: Re: [CQ-Contest] Summarizing the Skimmer Accuracy Thread
>>>>
>>>>   Mario,
>>>>
>>>>   Your analysis is not correct. It has nothing to do with EK3LR spots 
>>>> as I
>>>>   would not have seen them. Locally, this is blocked from the K3LR 
>>>> system
>>>>   and
>>>>   we don't see them or send them out.
>>>>
>>>>   It is the many, many other errors that persisted throughout the 
>>>> contest of
>>>>   calls being spotted wrong, over and over and over.
>>>>
>>>>   Some examples:
>>>>   C6AGP was spotted as many other callsigns HA30S (H A Three Zero S) 
>>>> was
>>>>   spotted as T30S and others N2NT was spotted as T2NT K1LZ was spotted 
>>>> as
>>>>   EK1LZ et al ad infinitum
>>>>
>>>>   Yes, there were many others and they varied.
>>>>
>>>>   It became exhausting to clear the bandmap of all of these repeated 
>>>> errors
>>>>   over and over and over again.
>>>>
>>>>   It got to the point that there seemed to be more busted spots than 
>>>> good
>>>>   ones. At that point, the value of this over the old-fashioned(?) 
>>>> human
>>>>   packet network really becomes a concern.
>>>>
>>>>   Skimmer is a good thing, but propagating these repeated errors all 
>>>> over
>>>>   the
>>>>   globe makes little sense to me.
>>>>
>>>>   W5OV
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