[Skimmertalk] Skimmer Data Load?

Gary K9GS garyk9gs at wi.rr.com
Mon Aug 3 21:44:47 EDT 2015


Thank you Steve...that was the kind of answer I was looking for.



On 8/3/2015 8:30 PM, Steve London wrote:
>
>
> On 08/03/2015 06:51 PM, Ron W7FIA wrote:
>>
>>> From: Gary K9GS <garyk9gs at wi.rr.com>
>>> Date: Mon, 3 Aug 2015 19:41:17 -0500
>>>
>>> Does anyone know what the data usage is from a skimmer source like 
>>> VE7CC
>>> on a heavy weekend like CQWW CW?  This is something I've always wanted
>>> to ballpark but I always forget to look before/after the contest?
>>
>> Something to guess off of might be the size of the csv file from RBN
>> on a contest day, for instance first day of CW WPX on 30 May is 187
>> Meg in size and contains 2949875 lines.
>>
>> So multiply by some estimate of connected users getting that data and
>> it easily can get to a few hundred Gig of network traffic.  Best to
>> have a land line for that.
>
> No, for the skimmer traffic to a single user from a single cluster, 
> using the standard telnet message from the cluster, it would be, at 
> worst, about 100 bytes per line, so that's 300 MB.
>
> By applying proper filtering to filter duplicate spots, and only 
> getting spots from skimmers that are in your proximity, you can reduce 
> it to a fraction of that 300 MB.
>
> 73,
> Steve, N2IC
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>
> -- 
> 73,
>
> Gary K9GS
>
> Greater Milwaukee DX Association: http://www.gmdxa.org
> Society of Midwest Contesters: http://www.w9smc.com
> CW Ops #1032   http://www.cwops.org
>
> ************************************************


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