How does DX Atlas do in the ITU Zone delineation sweepstakes?
73, Jim VE7FO
Frank Hunt wrote:
> All those 3 maps show variations when compared to the ITU CIRAF
> Broadcasting Zones map as published by the ITU:
>
> http://www.itu.int/ITU-R/terrestrial/broadcast/hf/refdata/maps/index.html
>
> The zone boundaries very rarely follow physical or political boundaries, many
> countries are in multiple zones, ie. France is zone 27, 28 & 37 !
>
> Obviously this could lead to some confusion, so best guide would be to use
> the table of ITU zones as shown on the ARRL web site:
>
> http://www.arrl.org/contests/announcements/prefixtable.html
>
> There is also an explanation of the zones for US and Canada:
>
> http://www.arrl.org/contests/vev0vy.html#wkna
>
> 73, Frank ZL4BR
> ---------------------------------------------------------------------------------------------------
> On 29 Jun 2006 Kenneth E. Harker wrote:
>
>> So, there have been several posts referencing maps or lists of
>> information about ITU zones:
>>
>> JF9EXF: http://www4.plala.or.jp/nomrax/ITU/
>> ICOM: http://www.icomamerica.com/downloads/WorldMap_ITU_LR.pdf
>> K3RXK: http://www.spacetoday.org/k3rxk/ITUzones.html
>>
>> There are incosistencies between these sources in a few places, and mostly
>> it is the ICOM map that seems to be in error:
>>
>> * ICOM and JF9EXF show the boundaries between zones 1 and 2 as longitude
>> 139W, which would put some of KL7 in zone 2, but the K3RXK description
>> says all of KL7 is in zone 1.
>>
>> * The ICOM map shows the boundary between zones 7 and 8 to be longitude 92W.
>> JF9EXF and K3RXK shows the boundary to be the Mississippi River with all
>> of Louisiana and Minnesota in zone 7.
>>
>> * The ICOM map shows the boundary between zones 18 and 19 as longitude 30E.
>> JF9EXF and K3RXK shows the boundary to be the political boundary between
>> Finland (OH) and European Russia (R).
>>
>> * The ICOM map shows Nigeria (5N) in zone 47, but JF9EXF and K3RXK put
>> it in zone 46.
>>
>> * The ICOM map shows the boundary between zones 55 and 59 as latitude 29S.
>> JF9EXF and K3RXK agree that all of South Australia is in zone 59, not
>> zone 55.
>>
>> Did I miss anything?
>>
>> --
>> Kenneth E. Harker WM5R
>> kenharker@kenharker.com
>> http://www.kenharker.com/
>>
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>
>
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