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Re: [CQ-Contest] IARU HF zones

To: <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] IARU HF zones
From: "Rick Lindquist, WW3DE" <ww3de@comcast.net>
Date: Wed, 7 Jul 2010 19:55:09 -0400
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
>Yes, we all should copy what is sent, but when someone doesn't send what
>they are supposed to it creates needless confusion.  In my opinion, you
>needlessly bring that lost QSO rate upon yourself.

>I've sent an email to KX9X asking him to clarify this issue for the
>upcoming IARU contest and maybe he will reply.


This event, specifically an IARU event, not an ARRL event, has been around
for years. Why the sudden confusion? 

The event calls upon participants to send their "ITU zone." The page
http://iaru.org/ituzonesc.gif provides general guidance. 

There is specific guidance on this, however. See these links, courtesy of
the "ARRL Contest Update," and get out your GPS if you're in one of those
questionable areas:

"Doug K1DG found some links to 'official' ITU Zone maps,
http://www.itu.int/ITU-R/terrestrial/broadcast/hf/refdata/maps/index.html,
and corner coordinates,
http://www.itu.int/ITU-R/terrestrial/broadcast/hf/refdata/reftables/ciraf.tx
t. While individual contest sponsors may redefine these zones to some
degree, this is a good place to start. Note that the zones do not always
follow state boundaries in the US!"

Thanks to Ward, NØAX, who edits the "ARRL Contest Update."

73, Rick / WW3DE

-----Original Message-----
From: cq-contest-bounces@contesting.com
[mailto:cq-contest-bounces@contesting.com] On Behalf Of David Gilbert
Sent: Wednesday, July 07, 2010 1:38 PM
To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] IARU HF zones


I don't believe that the precise ITU zone borders are what the contest 
sponsors expect you to use.  If they were, I would be in zone 10, not 
zone 6.  Besides, how could anyone actually know what zone they are in 
if they were close to a line that didn't follow a political border?  
I've seen some pretty detailed official ITU zone maps but I still can't 
determine exactly where the dividing line is as it crosses southern 
Arizona.  Even if I could find the coordinates for the endpoints of the 
ITU boundary lines, I'd have to calculate the coordinates for any other 
point on the line.  I seriously doubt anyone expects us to do that.

Yes, we all should copy what is sent, but when someone doesn't send what 
they are supposed to it creates needless confusion.  In my opinion, you 
needlessly bring that lost QSO rate upon yourself.

I've sent an email to KX9X asking him to clarify this issue for the 
upcoming IARU contest and maybe he will reply.

73,
Dave   AB7E




On 7/7/2010 6:22 AM, Joe wrote:
> But since 1977  I'm now in Wisconsin,  But in Zone 7!  But many assume
> being a 9 land Call and in Wisconsin, MANY assume that the border is the
> state line, and it is not!  I bet I easily in this contest loose a 10%
> QSO rate confirming that I'm in 07 NOT 08.  Grrrrr,
>
>    
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